42% is the change from 100 to 142
Calculation steps:
[( 142 - 100 ) ÷ 100] x 100 = 42%
Formula
Percentage change = [(142 - 100) / 100] x 100
Subtract the new number by the original number
142 - 100 = 42
42 ÷ 100 = 0.42
0.42 x 100 = 42%
Example