33.44% is the change from 305 to 407
Calculation steps:
[( 407 - 305 ) ÷ 305] x 100 = 33.44%
Formula
Percentage change = [(407 - 305) / 305] x 100
Subtract the new number by the original number
407 - 305 = 102
102 ÷ 305 = 0.3344262295081967
0.3344262295081967 x 100 = 33.44%