35.93% is the change from 604 to 821
Calculation steps:
[( 821 - 604 ) ÷ 604] x 100 = 35.93%
Formula
Percentage change = [(821 - 604) / 604] x 100
Subtract the new number by the original number
821 - 604 = 217
217 ÷ 604 = 0.35927152317880795
0.35927152317880795 x 100 = 35.93%