-89.26% is the change from 922 to 99
Calculation steps:
[( 99 - 922 ) ÷ 922] x 100 = -89.26%
Formula
Percentage change = [(99 - 922) / 922] x 100
Subtract the new number by the original number
99 - 922 = -823
-823 ÷ 922 = -0.8926247288503254
-0.8926247288503254 x 100 = -89.26%