-41.55% is the change from 142 to 83
Calculation steps:
[( 83 - 142 ) ÷ 142] x 100 = -41.55%
Formula
Percentage change = [(83 - 142) / 142] x 100
Subtract the new number by the original number
83 - 142 = -59
-59 ÷ 142 = -0.4154929577464789
-0.4154929577464789 x 100 = -41.55%