81.59% is the change from 478 to 868
Calculation steps:
[( 868 - 478 ) ÷ 478] x 100 = 81.59%
Formula
Percentage change = [(868 - 478) / 478] x 100
Subtract the new number by the original number
868 - 478 = 390
390 ÷ 478 = 0.8158995815899581
0.8158995815899581 x 100 = 81.59%