99.3% is the change from 142 to 283
Calculation steps:
[( 283 - 142 ) ÷ 142] x 100 = 99.3%
Formula
Percentage change = [(283 - 142) / 142] x 100
Subtract the new number by the original number
283 - 142 = 141
141 ÷ 142 = 0.9929577464788732
0.9929577464788732 x 100 = 99.3%