-57.5% is the change from 680 to 289
Calculation steps:
[( 289 - 680 ) ÷ 680] x 100 = -57.5%
Formula
Percentage change = [(289 - 680) / 680] x 100
Subtract the new number by the original number
289 - 680 = -391
-391 ÷ 680 = -0.575
-0.575 x 100 = -57.5%