Brief summary of the bug. What is it ? Where is it ?

There's a typo in the percentage report text

Since "process instances" is plural, it should be "match" instead of "matches"
https://english.stackexchange.com/questions/273585/does-a-percentage-quantity-take-singular-or-plural-verb-agreement

Steps to reproduce:

Create a percentage report

Actual result:

It says "% of total instances that matches the filter"

Expected result:

It says "% of total instances that match the filter"