-81.91% is the change from 901 to 163
Calculation steps:
[( 163 - 901 ) ÷ 901] x 100 = -81.91%
Formula
Percentage change = [(163 - 901) / 901] x 100
Subtract the new number by the original number
163 - 901 = -738
-738 ÷ 901 = -0.8190899001109878
-0.8190899001109878 x 100 = -81.91%