-94.25% is the change from 939 to 54
Calculation steps:
[( 54 - 939 ) ÷ 939] x 100 = -94.25%
Formula
Percentage change = [(54 - 939) / 939] x 100
Subtract the new number by the original number
54 - 939 = -885
-885 ÷ 939 = -0.9424920127795527
-0.9424920127795527 x 100 = -94.25%