18.48% is the change from 644 to 763
Calculation steps:
[( 763 - 644 ) ÷ 644] x 100 = 18.48%
Formula
Percentage change = [(763 - 644) / 644] x 100
Subtract the new number by the original number
763 - 644 = 119
119 ÷ 644 = 0.18478260869565216
0.18478260869565216 x 100 = 18.48%