-86.32% is the change from 497 to 68
Calculation steps:
[( 68 - 497 ) ÷ 497] x 100 = -86.32%
Formula
Percentage change = [(68 - 497) / 497] x 100
Subtract the new number by the original number
68 - 497 = -429
-429 ÷ 497 = -0.8631790744466801
-0.8631790744466801 x 100 = -86.32%