-50.2% is the change from 988 to 492
Calculation steps:
[( 492 - 988 ) ÷ 988] x 100 = -50.2%
Formula
Percentage change = [(492 - 988) / 988] x 100
Subtract the new number by the original number
492 - 988 = -496
-496 ÷ 988 = -0.5020242914979757
-0.5020242914979757 x 100 = -50.2%