71.13% is the change from 478 to 818
Calculation steps:
[( 818 - 478 ) ÷ 478] x 100 = 71.13%
Formula
Percentage change = [(818 - 478) / 478] x 100
Subtract the new number by the original number
818 - 478 = 340
340 ÷ 478 = 0.7112970711297071
0.7112970711297071 x 100 = 71.13%