-15.69% is the change from 988 to 833
Calculation steps:
[( 833 - 988 ) ÷ 988] x 100 = -15.69%
Formula
Percentage change = [(833 - 988) / 988] x 100
Subtract the new number by the original number
833 - 988 = -155
-155 ÷ 988 = -0.15688259109311742
-0.15688259109311742 x 100 = -15.69%