-17.74% is the change from 947 to 779
Calculation steps:
[( 779 - 947 ) ÷ 947] x 100 = -17.74%
Formula
Percentage change = [(779 - 947) / 947] x 100
Subtract the new number by the original number
779 - 947 = -168
-168 ÷ 947 = -0.17740232312565998
-0.17740232312565998 x 100 = -17.74%