10% is the change from 610 to 671
Calculation steps:
[( 671 - 610 ) ÷ 610] x 100 = 10%
Formula
Percentage change = [(671 - 610) / 610] x 100
Subtract the new number by the original number
671 - 610 = 61
61 ÷ 610 = 0.1
0.1 x 100 = 10%
Example