-32.35% is the change from 680 to 460
Calculation steps:
[( 460 - 680 ) ÷ 680] x 100 = -32.35%
Formula
Percentage change = [(460 - 680) / 680] x 100
Subtract the new number by the original number
460 - 680 = -220
-220 ÷ 680 = -0.3235294117647059
-0.3235294117647059 x 100 = -32.35%