-32.5% is the change from 680 to 459
Calculation steps:
[( 459 - 680 ) ÷ 680] x 100 = -32.5%
Formula
Percentage change = [(459 - 680) / 680] x 100
Subtract the new number by the original number
459 - 680 = -221
-221 ÷ 680 = -0.325
-0.325 x 100 = -32.5%