-67.21% is the change from 680 to 223
Calculation steps:
[( 223 - 680 ) ÷ 680] x 100 = -67.21%
Formula
Percentage change = [(223 - 680) / 680] x 100
Subtract the new number by the original number
223 - 680 = -457
-457 ÷ 680 = -0.6720588235294118
-0.6720588235294118 x 100 = -67.21%