-10.2% is the change from 755 to 678
Calculation steps:
[( 678 - 755 ) ÷ 755] x 100 = -10.2%
Formula
Percentage change = [(678 - 755) / 755] x 100
Subtract the new number by the original number
678 - 755 = -77
-77 ÷ 755 = -0.10198675496688742
-0.10198675496688742 x 100 = -10.2%