-78.09% is the change from 680 to 149
Calculation steps:
[( 149 - 680 ) ÷ 680] x 100 = -78.09%
Formula
Percentage change = [(149 - 680) / 680] x 100
Subtract the new number by the original number
149 - 680 = -531
-531 ÷ 680 = -0.7808823529411765
-0.7808823529411765 x 100 = -78.09%