412.24% is the change from 49 to 251
Calculation steps:
[( 251 - 49 ) ÷ 49] x 100 = 412.24%
Formula
Percentage change = [(251 - 49) / 49] x 100
Subtract the new number by the original number
251 - 49 = 202
202 ÷ 49 = 4.122448979591836
4.122448979591836 x 100 = 412.24%