-77.32% is the change from 679 to 154
Calculation steps:
[( 154 - 679 ) ÷ 679] x 100 = -77.32%
Formula
Percentage change = [(154 - 679) / 679] x 100
Subtract the new number by the original number
154 - 679 = -525
-525 ÷ 679 = -0.7731958762886598
-0.7731958762886598 x 100 = -77.32%