-10.24% is the change from 947 to 850
Calculation steps:
[( 850 - 947 ) ÷ 947] x 100 = -10.24%
Formula
Percentage change = [(850 - 947) / 947] x 100
Subtract the new number by the original number
850 - 947 = -97
-97 ÷ 947 = -0.10242872228088701
-0.10242872228088701 x 100 = -10.24%