17.24% is the change from 644 to 755
Calculation steps:
[( 755 - 644 ) ÷ 644] x 100 = 17.24%
Formula
Percentage change = [(755 - 644) / 644] x 100
Subtract the new number by the original number
755 - 644 = 111
111 ÷ 644 = 0.17236024844720496
0.17236024844720496 x 100 = 17.24%