-15.84% is the change from 947 to 797
Calculation steps:
[( 797 - 947 ) ÷ 947] x 100 = -15.84%
Formula
Percentage change = [(797 - 947) / 947] x 100
Subtract the new number by the original number
797 - 947 = -150
-150 ÷ 947 = -0.1583949313621964
-0.1583949313621964 x 100 = -15.84%