38.3% is the change from 577 to 798
Calculation steps:
[( 798 - 577 ) ÷ 577] x 100 = 38.3%
Formula
Percentage change = [(798 - 577) / 577] x 100
Subtract the new number by the original number
798 - 577 = 221
221 ÷ 577 = 0.3830155979202773
0.3830155979202773 x 100 = 38.3%