15% is the change from 560 to 644
Calculation steps:
[( 644 - 560 ) ÷ 560] x 100 = 15%
Formula
Percentage change = [(644 - 560) / 560] x 100
Subtract the new number by the original number
644 - 560 = 84
84 ÷ 560 = 0.15
0.15 x 100 = 15%
Example