6.61% is the change from 635 to 677
Calculation steps:
[( 677 - 635 ) ÷ 635] x 100 = 6.61%
Formula
Percentage change = [(677 - 635) / 635] x 100
Subtract the new number by the original number
677 - 635 = 42
42 ÷ 635 = 0.06614173228346457
0.06614173228346457 x 100 = 6.61%