11.61% is the change from 577 to 644
Calculation steps:
[( 644 - 577 ) ÷ 577] x 100 = 11.61%
Formula
Percentage change = [(644 - 577) / 577] x 100
Subtract the new number by the original number
644 - 577 = 67
67 ÷ 577 = 0.11611785095320624
0.11611785095320624 x 100 = 11.61%