-15.1% is the change from 947 to 804
Calculation steps:
[( 804 - 947 ) ÷ 947] x 100 = -15.1%
Formula
Percentage change = [(804 - 947) / 947] x 100
Subtract the new number by the original number
804 - 947 = -143
-143 ÷ 947 = -0.15100316789862725
-0.15100316789862725 x 100 = -15.1%