-88.46% is the change from 676 to 78
Calculation steps:
[( 78 - 676 ) ÷ 676] x 100 = -88.46%
Formula
Percentage change = [(78 - 676) / 676] x 100
Subtract the new number by the original number
78 - 676 = -598
-598 ÷ 676 = -0.8846153846153846
-0.8846153846153846 x 100 = -88.46%