-8.45% is the change from 947 to 867
Calculation steps:
[( 867 - 947 ) ÷ 947] x 100 = -8.45%
Formula
Percentage change = [(867 - 947) / 947] x 100
Subtract the new number by the original number
867 - 947 = -80
-80 ÷ 947 = -0.08447729672650475
-0.08447729672650475 x 100 = -8.45%