4.81% is the change from 645 to 676
Calculation steps:
[( 676 - 645 ) ÷ 645] x 100 = 4.81%
Formula
Percentage change = [(676 - 645) / 645] x 100
Subtract the new number by the original number
676 - 645 = 31
31 ÷ 645 = 0.04806201550387597
0.04806201550387597 x 100 = 4.81%