-79.57% is the change from 920 to 188
Calculation steps:
[( 188 - 920 ) ÷ 920] x 100 = -79.57%
Formula
Percentage change = [(188 - 920) / 920] x 100
Subtract the new number by the original number
188 - 920 = -732
-732 ÷ 920 = -0.7956521739130434
-0.7956521739130434 x 100 = -79.57%