40.07% is the change from 307 to 430
Calculation steps:
[( 430 - 307 ) ÷ 307] x 100 = 40.07%
Formula
Percentage change = [(430 - 307) / 307] x 100
Subtract the new number by the original number
430 - 307 = 123
123 ÷ 307 = 0.4006514657980456
0.4006514657980456 x 100 = 40.07%