-82.79% is the change from 947 to 163
Calculation steps:
[( 163 - 947 ) ÷ 947] x 100 = -82.79%
Formula
Percentage change = [(163 - 947) / 947] x 100
Subtract the new number by the original number
163 - 947 = -784
-784 ÷ 947 = -0.8278775079197466
-0.8278775079197466 x 100 = -82.79%