56.39% is the change from 493 to 771
Calculation steps:
[( 771 - 493 ) ÷ 493] x 100 = 56.39%
Formula
Percentage change = [(771 - 493) / 493] x 100
Subtract the new number by the original number
771 - 493 = 278
278 ÷ 493 = 0.563894523326572
0.563894523326572 x 100 = 56.39%