143.69% is the change from 309 to 753
Calculation steps:
[( 753 - 309 ) ÷ 309] x 100 = 143.69%
Formula
Percentage change = [(753 - 309) / 309] x 100
Subtract the new number by the original number
753 - 309 = 444
444 ÷ 309 = 1.4368932038834952
1.4368932038834952 x 100 = 143.69%