-83.32% is the change from 947 to 158
Calculation steps:
[( 158 - 947 ) ÷ 947] x 100 = -83.32%
Formula
Percentage change = [(158 - 947) / 947] x 100
Subtract the new number by the original number
158 - 947 = -789
-789 ÷ 947 = -0.8331573389651531
-0.8331573389651531 x 100 = -83.32%