6% is the change from 633 to 671
Calculation steps:
[( 671 - 633 ) ÷ 633] x 100 = 6%
Formula
Percentage change = [(671 - 633) / 633] x 100
Subtract the new number by the original number
671 - 633 = 38
38 ÷ 633 = 0.06003159557661927
0.06003159557661927 x 100 = 6%