-39.56% is the change from 680 to 411
Calculation steps:
[( 411 - 680 ) ÷ 680] x 100 = -39.56%
Formula
Percentage change = [(411 - 680) / 680] x 100
Subtract the new number by the original number
411 - 680 = -269
-269 ÷ 680 = -0.39558823529411763
-0.39558823529411763 x 100 = -39.56%