-87.22% is the change from 947 to 121
Calculation steps:
[( 121 - 947 ) ÷ 947] x 100 = -87.22%
Formula
Percentage change = [(121 - 947) / 947] x 100
Subtract the new number by the original number
121 - 947 = -826
-826 ÷ 947 = -0.8722280887011615
-0.8722280887011615 x 100 = -87.22%