79.72% is the change from 143 to 257
Calculation steps:
[( 257 - 143 ) ÷ 143] x 100 = 79.72%
Formula
Percentage change = [(257 - 143) / 143] x 100
Subtract the new number by the original number
257 - 143 = 114
114 ÷ 143 = 0.7972027972027972
0.7972027972027972 x 100 = 79.72%