-85.32% is the change from 947 to 139
Calculation steps:
[( 139 - 947 ) ÷ 947] x 100 = -85.32%
Formula
Percentage change = [(139 - 947) / 947] x 100
Subtract the new number by the original number
139 - 947 = -808
-808 ÷ 947 = -0.853220696937698
-0.853220696937698 x 100 = -85.32%