-32.79% is the change from 680 to 457
Calculation steps:
[( 457 - 680 ) ÷ 680] x 100 = -32.79%
Formula
Percentage change = [(457 - 680) / 680] x 100
Subtract the new number by the original number
457 - 680 = -223
-223 ÷ 680 = -0.32794117647058824
-0.32794117647058824 x 100 = -32.79%