-75.09% is the change from 811 to 202
Calculation steps:
[( 202 - 811 ) ÷ 811] x 100 = -75.09%
Formula
Percentage change = [(202 - 811) / 811] x 100
Subtract the new number by the original number
202 - 811 = -609
-609 ÷ 811 = -0.750924784217016
-0.750924784217016 x 100 = -75.09%