512.24% is the change from 49 to 300
Calculation steps:
[( 300 - 49 ) ÷ 49] x 100 = 512.24%
Formula
Percentage change = [(300 - 49) / 49] x 100
Subtract the new number by the original number
300 - 49 = 251
251 ÷ 49 = 5.122448979591836
5.122448979591836 x 100 = 512.24%