-97.45% is the change from 549 to 14
Calculation steps:
[( 14 - 549 ) ÷ 549] x 100 = -97.45%
Formula
Percentage change = [(14 - 549) / 549] x 100
Subtract the new number by the original number
14 - 549 = -535
-535 ÷ 549 = -0.9744990892531876
-0.9744990892531876 x 100 = -97.45%