14.75% is the change from 305 to 350
Calculation steps:
[( 350 - 305 ) ÷ 305] x 100 = 14.75%
Formula
Percentage change = [(350 - 305) / 305] x 100
Subtract the new number by the original number
350 - 305 = 45
45 ÷ 305 = 0.14754098360655737
0.14754098360655737 x 100 = 14.75%