-49.85% is the change from 983 to 493
Calculation steps:
[( 493 - 983 ) ÷ 983] x 100 = -49.85%
Formula
Percentage change = [(493 - 983) / 983] x 100
Subtract the new number by the original number
493 - 983 = -490
-490 ÷ 983 = -0.49847405900305186
-0.49847405900305186 x 100 = -49.85%