-95.01% is the change from 842 to 42
Calculation steps:
[( 42 - 842 ) ÷ 842] x 100 = -95.01%
Formula
Percentage change = [(42 - 842) / 842] x 100
Subtract the new number by the original number
42 - 842 = -800
-800 ÷ 842 = -0.9501187648456056
-0.9501187648456056 x 100 = -95.01%