140.19% is the change from 321 to 771
Calculation steps:
[( 771 - 321 ) ÷ 321] x 100 = 140.19%
Formula
Percentage change = [(771 - 321) / 321] x 100
Subtract the new number by the original number
771 - 321 = 450
450 ÷ 321 = 1.4018691588785046
1.4018691588785046 x 100 = 140.19%