40.98% is the change from 305 to 430
Calculation steps:
[( 430 - 305 ) ÷ 305] x 100 = 40.98%
Formula
Percentage change = [(430 - 305) / 305] x 100
Subtract the new number by the original number
430 - 305 = 125
125 ÷ 305 = 0.4098360655737705
0.4098360655737705 x 100 = 40.98%