143.69% is the change from 103 to 251
Calculation steps:
[( 251 - 103 ) ÷ 103] x 100 = 143.69%
Formula
Percentage change = [(251 - 103) / 103] x 100
Subtract the new number by the original number
251 - 103 = 148
148 ÷ 103 = 1.4368932038834952
1.4368932038834952 x 100 = 143.69%