3.64% is the change from 577 to 598
Calculation steps:
[( 598 - 577 ) ÷ 577] x 100 = 3.64%
Formula
Percentage change = [(598 - 577) / 577] x 100
Subtract the new number by the original number
598 - 577 = 21
21 ÷ 577 = 0.036395147313691506
0.036395147313691506 x 100 = 3.64%