140.13% is the change from 309 to 742
Calculation steps:
[( 742 - 309 ) ÷ 309] x 100 = 140.13%
Formula
Percentage change = [(742 - 309) / 309] x 100
Subtract the new number by the original number
742 - 309 = 433
433 ÷ 309 = 1.401294498381877
1.401294498381877 x 100 = 140.13%