-82.61% is the change from 391 to 68
Calculation steps:
[( 68 - 391 ) ÷ 391] x 100 = -82.61%
Formula
Percentage change = [(68 - 391) / 391] x 100
Subtract the new number by the original number
68 - 391 = -323
-323 ÷ 391 = -0.8260869565217391
-0.8260869565217391 x 100 = -82.61%