-81.88% is the change from 916 to 166
Calculation steps:
[( 166 - 916 ) ÷ 916] x 100 = -81.88%
Formula
Percentage change = [(166 - 916) / 916] x 100
Subtract the new number by the original number
166 - 916 = -750
-750 ÷ 916 = -0.8187772925764192
-0.8187772925764192 x 100 = -81.88%