147.54% is the change from 305 to 755
Calculation steps:
[( 755 - 305 ) ÷ 305] x 100 = 147.54%
Formula
Percentage change = [(755 - 305) / 305] x 100
Subtract the new number by the original number
755 - 305 = 450
450 ÷ 305 = 1.4754098360655739
1.4754098360655739 x 100 = 147.54%