74.31% is the change from 471 to 821
Calculation steps:
[( 821 - 471 ) ÷ 471] x 100 = 74.31%
Formula
Percentage change = [(821 - 471) / 471] x 100
Subtract the new number by the original number
821 - 471 = 350
350 ÷ 471 = 0.7430997876857749
0.7430997876857749 x 100 = 74.31%