-87.12% is the change from 947 to 122
Calculation steps:
[( 122 - 947 ) ÷ 947] x 100 = -87.12%
Formula
Percentage change = [(122 - 947) / 947] x 100
Subtract the new number by the original number
122 - 947 = -825
-825 ÷ 947 = -0.8711721224920802
-0.8711721224920802 x 100 = -87.12%