-95.17% is the change from 869 to 42
Calculation steps:
[( 42 - 869 ) ÷ 869] x 100 = -95.17%
Formula
Percentage change = [(42 - 869) / 869] x 100
Subtract the new number by the original number
42 - 869 = -827
-827 ÷ 869 = -0.9516685845799769
-0.9516685845799769 x 100 = -95.17%