61.09% is the change from 478 to 770
Calculation steps:
[( 770 - 478 ) ÷ 478] x 100 = 61.09%
Formula
Percentage change = [(770 - 478) / 478] x 100
Subtract the new number by the original number
770 - 478 = 292
292 ÷ 478 = 0.6108786610878661
0.6108786610878661 x 100 = 61.09%