1.88% is the change from 637 to 649
Calculation steps:
[( 649 - 637 ) ÷ 637] x 100 = 1.88%
Formula
Percentage change = [(649 - 637) / 637] x 100
Subtract the new number by the original number
649 - 637 = 12
12 ÷ 637 = 0.018838304552590265
0.018838304552590265 x 100 = 1.88%