-7.82% is the change from 998 to 920
Calculation steps:
[( 920 - 998 ) ÷ 998] x 100 = -7.82%
Formula
Percentage change = [(920 - 998) / 998] x 100
Subtract the new number by the original number
920 - 998 = -78
-78 ÷ 998 = -0.0781563126252505
-0.0781563126252505 x 100 = -7.82%