3.45% is the change from 667 to 690
Calculation steps:
[( 690 - 667 ) ÷ 667] x 100 = 3.45%
Formula
Percentage change = [(690 - 667) / 667] x 100
Subtract the new number by the original number
690 - 667 = 23
23 ÷ 667 = 0.034482758620689655
0.034482758620689655 x 100 = 3.45%