-36.31% is the change from 829 to 528
Calculation steps:
[( 528 - 829 ) ÷ 829] x 100 = -36.31%
Formula
Percentage change = [(528 - 829) / 829] x 100
Subtract the new number by the original number
528 - 829 = -301
-301 ÷ 829 = -0.36308805790108567
-0.36308805790108567 x 100 = -36.31%