142.68% is the change from 321 to 779
Calculation steps:
[( 779 - 321 ) ÷ 321] x 100 = 142.68%
Formula
Percentage change = [(779 - 321) / 321] x 100
Subtract the new number by the original number
779 - 321 = 458
458 ÷ 321 = 1.426791277258567
1.426791277258567 x 100 = 142.68%