36.51% is the change from 304 to 415
Calculation steps:
[( 415 - 304 ) ÷ 304] x 100 = 36.51%
Formula
Percentage change = [(415 - 304) / 304] x 100
Subtract the new number by the original number
415 - 304 = 111
111 ÷ 304 = 0.3651315789473684
0.3651315789473684 x 100 = 36.51%