-98.78% is the change from 492 to 6
Calculation steps:
[( 6 - 492 ) ÷ 492] x 100 = -98.78%
Formula
Percentage change = [(6 - 492) / 492] x 100
Subtract the new number by the original number
6 - 492 = -486
-486 ÷ 492 = -0.9878048780487805
-0.9878048780487805 x 100 = -98.78%