-85.53% is the change from 622 to 90
Calculation steps:
[( 90 - 622 ) ÷ 622] x 100 = -85.53%
Formula
Percentage change = [(90 - 622) / 622] x 100
Subtract the new number by the original number
90 - 622 = -532
-532 ÷ 622 = -0.8553054662379421
-0.8553054662379421 x 100 = -85.53%