-75.56% is the change from 90 to 22
Calculation steps:
[( 22 - 90 ) ÷ 90] x 100 = -75.56%
Formula
Percentage change = [(22 - 90) / 90] x 100
Subtract the new number by the original number
22 - 90 = -68
-68 ÷ 90 = -0.7555555555555555
-0.7555555555555555 x 100 = -75.56%