-36.15% is the change from 827 to 528
Calculation steps:
[( 528 - 827 ) ÷ 827] x 100 = -36.15%
Formula
Percentage change = [(528 - 827) / 827] x 100
Subtract the new number by the original number
528 - 827 = -299
-299 ÷ 827 = -0.3615477629987908
-0.3615477629987908 x 100 = -36.15%