1.73% is the change from 637 to 648
Calculation steps:
[( 648 - 637 ) ÷ 637] x 100 = 1.73%
Formula
Percentage change = [(648 - 637) / 637] x 100
Subtract the new number by the original number
648 - 637 = 11
11 ÷ 637 = 0.01726844583987441
0.01726844583987441 x 100 = 1.73%