4.21% is the change from 665 to 693
Calculation steps:
[( 693 - 665 ) ÷ 665] x 100 = 4.21%
Formula
Percentage change = [(693 - 665) / 665] x 100
Subtract the new number by the original number
693 - 665 = 28
28 ÷ 665 = 0.042105263157894736
0.042105263157894736 x 100 = 4.21%