520.41% is the change from 49 to 304
Calculation steps:
[( 304 - 49 ) ÷ 49] x 100 = 520.41%
Formula
Percentage change = [(304 - 49) / 49] x 100
Subtract the new number by the original number
304 - 49 = 255
255 ÷ 49 = 5.204081632653061
5.204081632653061 x 100 = 520.41%