43.32% is the change from 307 to 440
Calculation steps:
[( 440 - 307 ) ÷ 307] x 100 = 43.32%
Formula
Percentage change = [(440 - 307) / 307] x 100
Subtract the new number by the original number
440 - 307 = 133
133 ÷ 307 = 0.43322475570032576
0.43322475570032576 x 100 = 43.32%