-7.39% is the change from 947 to 877
Calculation steps:
[( 877 - 947 ) ÷ 947] x 100 = -7.39%
Formula
Percentage change = [(877 - 947) / 947] x 100
Subtract the new number by the original number
877 - 947 = -70
-70 ÷ 947 = -0.07391763463569166
-0.07391763463569166 x 100 = -7.39%