146.58% is the change from 307 to 757
Calculation steps:
[( 757 - 307 ) ÷ 307] x 100 = 146.58%
Formula
Percentage change = [(757 - 307) / 307] x 100
Subtract the new number by the original number
757 - 307 = 450
450 ÷ 307 = 1.4657980456026058
1.4657980456026058 x 100 = 146.58%