-86.33% is the change from 622 to 85
Calculation steps:
[( 85 - 622 ) ÷ 622] x 100 = -86.33%
Formula
Percentage change = [(85 - 622) / 622] x 100
Subtract the new number by the original number
85 - 622 = -537
-537 ÷ 622 = -0.8633440514469454
-0.8633440514469454 x 100 = -86.33%