36.61% is the change from 601 to 821
Calculation steps:
[( 821 - 601 ) ÷ 601] x 100 = 36.61%
Formula
Percentage change = [(821 - 601) / 601] x 100
Subtract the new number by the original number
821 - 601 = 220
220 ÷ 601 = 0.36605657237936773
0.36605657237936773 x 100 = 36.61%