-90.43% is the change from 920 to 88
Calculation steps:
[( 88 - 920 ) ÷ 920] x 100 = -90.43%
Formula
Percentage change = [(88 - 920) / 920] x 100
Subtract the new number by the original number
88 - 920 = -832
-832 ÷ 920 = -0.9043478260869565
-0.9043478260869565 x 100 = -90.43%