82.34% is the change from 470 to 857
Calculation steps:
[( 857 - 470 ) ÷ 470] x 100 = 82.34%
Formula
Percentage change = [(857 - 470) / 470] x 100
Subtract the new number by the original number
857 - 470 = 387
387 ÷ 470 = 0.823404255319149
0.823404255319149 x 100 = 82.34%