-35.5% is the change from 817 to 527
Calculation steps:
[( 527 - 817 ) ÷ 817] x 100 = -35.5%
Formula
Percentage change = [(527 - 817) / 817] x 100
Subtract the new number by the original number
527 - 817 = -290
-290 ÷ 817 = -0.35495716034271724
-0.35495716034271724 x 100 = -35.5%