-36.62% is the change from 680 to 431
Calculation steps:
[( 431 - 680 ) ÷ 680] x 100 = -36.62%
Formula
Percentage change = [(431 - 680) / 680] x 100
Subtract the new number by the original number
431 - 680 = -249
-249 ÷ 680 = -0.36617647058823527
-0.36617647058823527 x 100 = -36.62%
Example