1.73% is the change from 636 to 647
Calculation steps:
[( 647 - 636 ) ÷ 636] x 100 = 1.73%
Formula
Percentage change = [(647 - 636) / 636] x 100
Subtract the new number by the original number
647 - 636 = 11
11 ÷ 636 = 0.01729559748427673
0.01729559748427673 x 100 = 1.73%