81.45% is the change from 469 to 851
Calculation steps:
[( 851 - 469 ) ÷ 469] x 100 = 81.45%
Formula
Percentage change = [(851 - 469) / 469] x 100
Subtract the new number by the original number
851 - 469 = 382
382 ÷ 469 = 0.814498933901919
0.814498933901919 x 100 = 81.45%