-97.14% is the change from 490 to 14
Calculation steps:
[( 14 - 490 ) ÷ 490] x 100 = -97.14%
Formula
Percentage change = [(14 - 490) / 490] x 100
Subtract the new number by the original number
14 - 490 = -476
-476 ÷ 490 = -0.9714285714285714
-0.9714285714285714 x 100 = -97.14%