-97.15% is the change from 491 to 14
Calculation steps:
[( 14 - 491 ) ÷ 491] x 100 = -97.15%
Formula
Percentage change = [(14 - 491) / 491] x 100
Subtract the new number by the original number
14 - 491 = -477
-477 ÷ 491 = -0.9714867617107943
-0.9714867617107943 x 100 = -97.15%