-91.13% is the change from 992 to 88
Calculation steps:
[( 88 - 992 ) ÷ 992] x 100 = -91.13%
Formula
Percentage change = [(88 - 992) / 992] x 100
Subtract the new number by the original number
88 - 992 = -904
-904 ÷ 992 = -0.9112903225806451
-0.9112903225806451 x 100 = -91.13%