61.54% is the change from 143 to 231
Calculation steps:
[( 231 - 143 ) ÷ 143] x 100 = 61.54%
Formula
Percentage change = [(231 - 143) / 143] x 100
Subtract the new number by the original number
231 - 143 = 88
88 ÷ 143 = 0.6153846153846154
0.6153846153846154 x 100 = 61.54%