37.05% is the change from 305 to 418
Calculation steps:
[( 418 - 305 ) ÷ 305] x 100 = 37.05%
Formula
Percentage change = [(418 - 305) / 305] x 100
Subtract the new number by the original number
418 - 305 = 113
113 ÷ 305 = 0.3704918032786885
0.3704918032786885 x 100 = 37.05%