14.18% is the change from 564 to 644
Calculation steps:
[( 644 - 564 ) ÷ 564] x 100 = 14.18%
Formula
Percentage change = [(644 - 564) / 564] x 100
Subtract the new number by the original number
644 - 564 = 80
80 ÷ 564 = 0.14184397163120568
0.14184397163120568 x 100 = 14.18%