-49.69% is the change from 980 to 493
Calculation steps:
[( 493 - 980 ) ÷ 980] x 100 = -49.69%
Formula
Percentage change = [(493 - 980) / 980] x 100
Subtract the new number by the original number
493 - 980 = -487
-487 ÷ 980 = -0.4969387755102041
-0.4969387755102041 x 100 = -49.69%