138.51% is the change from 309 to 737
Calculation steps:
[( 737 - 309 ) ÷ 309] x 100 = 138.51%
Formula
Percentage change = [(737 - 309) / 309] x 100
Subtract the new number by the original number
737 - 309 = 428
428 ÷ 309 = 1.3851132686084142
1.3851132686084142 x 100 = 138.51%