79.29% is the change from 478 to 857
Calculation steps:
[( 857 - 478 ) ÷ 478] x 100 = 79.29%
Formula
Percentage change = [(857 - 478) / 478] x 100
Subtract the new number by the original number
857 - 478 = 379
379 ÷ 478 = 0.7928870292887029
0.7928870292887029 x 100 = 79.29%