-68.09% is the change from 680 to 217
Calculation steps:
[( 217 - 680 ) ÷ 680] x 100 = -68.09%
Formula
Percentage change = [(217 - 680) / 680] x 100
Subtract the new number by the original number
217 - 680 = -463
-463 ÷ 680 = -0.6808823529411765
-0.6808823529411765 x 100 = -68.09%