61.3% is the change from 478 to 771
Calculation steps:
[( 771 - 478 ) ÷ 478] x 100 = 61.3%
Formula
Percentage change = [(771 - 478) / 478] x 100
Subtract the new number by the original number
771 - 478 = 293
293 ÷ 478 = 0.6129707112970711
0.6129707112970711 x 100 = 61.3%