-90.78% is the change from 922 to 85
Calculation steps:
[( 85 - 922 ) ÷ 922] x 100 = -90.78%
Formula
Percentage change = [(85 - 922) / 922] x 100
Subtract the new number by the original number
85 - 922 = -837
-837 ÷ 922 = -0.9078091106290672
-0.9078091106290672 x 100 = -90.78%