-89.42% is the change from 822 to 87
Calculation steps:
[( 87 - 822 ) ÷ 822] x 100 = -89.42%
Formula
Percentage change = [(87 - 822) / 822] x 100
Subtract the new number by the original number
87 - 822 = -735
-735 ÷ 822 = -0.8941605839416058
-0.8941605839416058 x 100 = -89.42%