72.48% is the change from 476 to 821
Calculation steps:
[( 821 - 476 ) ÷ 476] x 100 = 72.48%
Formula
Percentage change = [(821 - 476) / 476] x 100
Subtract the new number by the original number
821 - 476 = 345
345 ÷ 476 = 0.7247899159663865
0.7247899159663865 x 100 = 72.48%