-49.49% is the change from 984 to 497
Calculation steps:
[( 497 - 984 ) ÷ 984] x 100 = -49.49%
Formula
Percentage change = [(497 - 984) / 984] x 100
Subtract the new number by the original number
497 - 984 = -487
-487 ÷ 984 = -0.4949186991869919
-0.4949186991869919 x 100 = -49.49%