How is Cumulative P&L Percentage calculated?

Streak - backtesting
1

Hello .

I have 2 questions about the information shown in the below screenshot

image
image1349×281 16.7 KB

How % values for +422.45% and -100.04% calculated. ?
I understand the Cumulative P&L is 1532.5. but how is that +19.14%.

2

@Streak can you check.