-82.55% is the change from 934 to 163
Calculation steps:
[( 163 - 934 ) ÷ 934] x 100 = -82.55%
Formula
Percentage change = [(163 - 934) / 934] x 100
Subtract the new number by the original number
163 - 934 = -771
-771 ÷ 934 = -0.8254817987152034
-0.8254817987152034 x 100 = -82.55%