-75.61% is the change from 947 to 231
Calculation steps:
[( 231 - 947 ) ÷ 947] x 100 = -75.61%
Formula
Percentage change = [(231 - 947) / 947] x 100
Subtract the new number by the original number
231 - 947 = -716
-716 ÷ 947 = -0.7560718057022175
-0.7560718057022175 x 100 = -75.61%