29.15% is the change from 199 to 257
Calculation steps:
[( 257 - 199 ) ÷ 199] x 100 = 29.15%
Formula
Percentage change = [(257 - 199) / 199] x 100
Subtract the new number by the original number
257 - 199 = 58
58 ÷ 199 = 0.2914572864321608
0.2914572864321608 x 100 = 29.15%