-61.11% is the change from 108 to 42
Calculation steps:
[( 42 - 108 ) ÷ 108] x 100 = -61.11%
Formula
Percentage change = [(42 - 108) / 108] x 100
Subtract the new number by the original number
42 - 108 = -66
-66 ÷ 108 = -0.6111111111111112
-0.6111111111111112 x 100 = -61.11%