2.04% is the change from 637 to 650
Calculation steps:
[( 650 - 637 ) ÷ 637] x 100 = 2.04%
Formula
Percentage change = [(650 - 637) / 637] x 100
Subtract the new number by the original number
650 - 637 = 13
13 ÷ 637 = 0.02040816326530612
0.02040816326530612 x 100 = 2.04%