-83.84% is the change from 947 to 153
Calculation steps:
[( 153 - 947 ) ÷ 947] x 100 = -83.84%
Formula
Percentage change = [(153 - 947) / 947] x 100
Subtract the new number by the original number
153 - 947 = -794
-794 ÷ 947 = -0.8384371700105596
-0.8384371700105596 x 100 = -83.84%