-7.67% is the change from 678 to 626
Calculation steps:
[( 626 - 678 ) ÷ 678] x 100 = -7.67%
Formula
Percentage change = [(626 - 678) / 678] x 100
Subtract the new number by the original number
626 - 678 = -52
-52 ÷ 678 = -0.07669616519174041
-0.07669616519174041 x 100 = -7.67%