-17.61% is the change from 142 to 117
Calculation steps:
[( 117 - 142 ) ÷ 142] x 100 = -17.61%
Formula
Percentage change = [(117 - 142) / 142] x 100
Subtract the new number by the original number
117 - 142 = -25
-25 ÷ 142 = -0.176056338028169
-0.176056338028169 x 100 = -17.61%