-78.53% is the change from 680 to 146
Calculation steps:
[( 146 - 680 ) ÷ 680] x 100 = -78.53%
Formula
Percentage change = [(146 - 680) / 680] x 100
Subtract the new number by the original number
146 - 680 = -534
-534 ÷ 680 = -0.7852941176470588
-0.7852941176470588 x 100 = -78.53%