1.95% is the change from 668 to 681
Calculation steps:
[( 681 - 668 ) ÷ 668] x 100 = 1.95%
Formula
Percentage change = [(681 - 668) / 668] x 100
Subtract the new number by the original number
681 - 668 = 13
13 ÷ 668 = 0.019461077844311378
0.019461077844311378 x 100 = 1.95%