-1.58% is the change from 947 to 932
Calculation steps:
[( 932 - 947 ) ÷ 947] x 100 = -1.58%
Formula
Percentage change = [(932 - 947) / 947] x 100
Subtract the new number by the original number
932 - 947 = -15
-15 ÷ 947 = -0.01583949313621964
-0.01583949313621964 x 100 = -1.58%