-95.12% is the change from 860 to 42
Calculation steps:
[( 42 - 860 ) ÷ 860] x 100 = -95.12%
Formula
Percentage change = [(42 - 860) / 860] x 100
Subtract the new number by the original number
42 - 860 = -818
-818 ÷ 860 = -0.9511627906976744
-0.9511627906976744 x 100 = -95.12%