81.95% is the change from 471 to 857
Calculation steps:
[( 857 - 471 ) ÷ 471] x 100 = 81.95%
Formula
Percentage change = [(857 - 471) / 471] x 100
Subtract the new number by the original number
857 - 471 = 386
386 ÷ 471 = 0.8195329087048833
0.8195329087048833 x 100 = 81.95%