144.3% is the change from 307 to 750
Calculation steps:
[( 750 - 307 ) ÷ 307] x 100 = 144.3%
Formula
Percentage change = [(750 - 307) / 307] x 100
Subtract the new number by the original number
750 - 307 = 443
443 ÷ 307 = 1.4429967426710097
1.4429967426710097 x 100 = 144.3%