41.8% is the change from 579 to 821
Calculation steps:
[( 821 - 579 ) ÷ 579] x 100 = 41.8%
Formula
Percentage change = [(821 - 579) / 579] x 100
Subtract the new number by the original number
821 - 579 = 242
242 ÷ 579 = 0.41796200345423146
0.41796200345423146 x 100 = 41.8%