-95.08% is the change from 853 to 42
Calculation steps:
[( 42 - 853 ) ÷ 853] x 100 = -95.08%
Formula
Percentage change = [(42 - 853) / 853] x 100
Subtract the new number by the original number
42 - 853 = -811
-811 ÷ 853 = -0.9507620164126612
-0.9507620164126612 x 100 = -95.08%