-94.99% is the change from 838 to 42
Calculation steps:
[( 42 - 838 ) ÷ 838] x 100 = -94.99%
Formula
Percentage change = [(42 - 838) / 838] x 100
Subtract the new number by the original number
42 - 838 = -796
-796 ÷ 838 = -0.9498806682577565
-0.9498806682577565 x 100 = -94.99%