1.71% is the change from 644 to 655
Calculation steps:
[( 655 - 644 ) ÷ 644] x 100 = 1.71%
Formula
Percentage change = [(655 - 644) / 644] x 100
Subtract the new number by the original number
655 - 644 = 11
11 ÷ 644 = 0.017080745341614908
0.017080745341614908 x 100 = 1.71%