-95.03% is the change from 845 to 42
Calculation steps:
[( 42 - 845 ) ÷ 845] x 100 = -95.03%
Formula
Percentage change = [(42 - 845) / 845] x 100
Subtract the new number by the original number
42 - 845 = -803
-803 ÷ 845 = -0.9502958579881656
-0.9502958579881656 x 100 = -95.03%