-98.99% is the change from 494 to 5
Calculation steps:
[( 5 - 494 ) ÷ 494] x 100 = -98.99%
Formula
Percentage change = [(5 - 494) / 494] x 100
Subtract the new number by the original number
5 - 494 = -489
-489 ÷ 494 = -0.9898785425101214
-0.9898785425101214 x 100 = -98.99%