37.5% is the change from 304 to 418
Calculation steps:
[( 418 - 304 ) ÷ 304] x 100 = 37.5%
Formula
Percentage change = [(418 - 304) / 304] x 100
Subtract the new number by the original number
418 - 304 = 114
114 ÷ 304 = 0.375
0.375 x 100 = 37.5%
Example