-89.46% is the change from 920 to 97
Calculation steps:
[( 97 - 920 ) ÷ 920] x 100 = -89.46%
Formula
Percentage change = [(97 - 920) / 920] x 100
Subtract the new number by the original number
97 - 920 = -823
-823 ÷ 920 = -0.8945652173913043
-0.8945652173913043 x 100 = -89.46%