-90.85% is the change from 492 to 45
Calculation steps:
[( 45 - 492 ) ÷ 492] x 100 = -90.85%
Formula
Percentage change = [(45 - 492) / 492] x 100
Subtract the new number by the original number
45 - 492 = -447
-447 ÷ 492 = -0.9085365853658537
-0.9085365853658537 x 100 = -90.85%