-75.82% is the change from 91 to 22
Calculation steps:
[( 22 - 91 ) ÷ 91] x 100 = -75.82%
Formula
Percentage change = [(22 - 91) / 91] x 100
Subtract the new number by the original number
22 - 91 = -69
-69 ÷ 91 = -0.7582417582417582
-0.7582417582417582 x 100 = -75.82%