-35.29% is the change from 816 to 528
Calculation steps:
[( 528 - 816 ) ÷ 816] x 100 = -35.29%
Formula
Percentage change = [(528 - 816) / 816] x 100
Subtract the new number by the original number
528 - 816 = -288
-288 ÷ 816 = -0.35294117647058826
-0.35294117647058826 x 100 = -35.29%