45.28% is the change from 307 to 446
Calculation steps:
[( 446 - 307 ) ÷ 307] x 100 = 45.28%
Formula
Percentage change = [(446 - 307) / 307] x 100
Subtract the new number by the original number
446 - 307 = 139
139 ÷ 307 = 0.4527687296416938
0.4527687296416938 x 100 = 45.28%