-82.53% is the change from 933 to 163
Calculation steps:
[( 163 - 933 ) ÷ 933] x 100 = -82.53%
Formula
Percentage change = [(163 - 933) / 933] x 100
Subtract the new number by the original number
163 - 933 = -770
-770 ÷ 933 = -0.8252947481243301
-0.8252947481243301 x 100 = -82.53%