82.01% is the change from 478 to 870
Calculation steps:
[( 870 - 478 ) ÷ 478] x 100 = 82.01%
Formula
Percentage change = [(870 - 478) / 478] x 100
Subtract the new number by the original number
870 - 478 = 392
392 ÷ 478 = 0.8200836820083682
0.8200836820083682 x 100 = 82.01%