-49.8% is the change from 980 to 492
Calculation steps:
[( 492 - 980 ) ÷ 980] x 100 = -49.8%
Formula
Percentage change = [(492 - 980) / 980] x 100
Subtract the new number by the original number
492 - 980 = -488
-488 ÷ 980 = -0.49795918367346936
-0.49795918367346936 x 100 = -49.8%