-89.66% is the change from 822 to 85
Calculation steps:
[( 85 - 822 ) ÷ 822] x 100 = -89.66%
Formula
Percentage change = [(85 - 822) / 822] x 100
Subtract the new number by the original number
85 - 822 = -737
-737 ÷ 822 = -0.8965936739659367
-0.8965936739659367 x 100 = -89.66%