2.21% is the change from 678 to 693
Calculation steps:
[( 693 - 678 ) ÷ 678] x 100 = 2.21%
Formula
Percentage change = [(693 - 678) / 678] x 100
Subtract the new number by the original number
693 - 678 = 15
15 ÷ 678 = 0.022123893805309734
0.022123893805309734 x 100 = 2.21%