-77.01% is the change from 422 to 97
Calculation steps:
[( 97 - 422 ) ÷ 422] x 100 = -77.01%
Formula
Percentage change = [(97 - 422) / 422] x 100
Subtract the new number by the original number
97 - 422 = -325
-325 ÷ 422 = -0.7701421800947867
-0.7701421800947867 x 100 = -77.01%