71.34% is the change from 478 to 819
Calculation steps:
[( 819 - 478 ) ÷ 478] x 100 = 71.34%
Formula
Percentage change = [(819 - 478) / 478] x 100
Subtract the new number by the original number
819 - 478 = 341
341 ÷ 478 = 0.7133891213389121
0.7133891213389121 x 100 = 71.34%