-97.18% is the change from 497 to 14
Calculation steps:
[( 14 - 497 ) ÷ 497] x 100 = -97.18%
Formula
Percentage change = [(14 - 497) / 497] x 100
Subtract the new number by the original number
14 - 497 = -483
-483 ÷ 497 = -0.971830985915493
-0.971830985915493 x 100 = -97.18%