152.79% is the change from 305 to 771
Calculation steps:
[( 771 - 305 ) ÷ 305] x 100 = 152.79%
Formula
Percentage change = [(771 - 305) / 305] x 100
Subtract the new number by the original number
771 - 305 = 466
466 ÷ 305 = 1.5278688524590165
1.5278688524590165 x 100 = 152.79%