-18.58% is the change from 678 to 552
Calculation steps:
[( 552 - 678 ) ÷ 678] x 100 = -18.58%
Formula
Percentage change = [(552 - 678) / 678] x 100
Subtract the new number by the original number
552 - 678 = -126
-126 ÷ 678 = -0.18584070796460178
-0.18584070796460178 x 100 = -18.58%