-91.46% is the change from 492 to 42
Calculation steps:
[( 42 - 492 ) ÷ 492] x 100 = -91.46%
Formula
Percentage change = [(42 - 492) / 492] x 100
Subtract the new number by the original number
42 - 492 = -450
-450 ÷ 492 = -0.9146341463414634
-0.9146341463414634 x 100 = -91.46%