3.43% is the change from 670 to 693
Calculation steps:
[( 693 - 670 ) ÷ 670] x 100 = 3.43%
Formula
Percentage change = [(693 - 670) / 670] x 100
Subtract the new number by the original number
693 - 670 = 23
23 ÷ 670 = 0.034328358208955224
0.034328358208955224 x 100 = 3.43%