-49.08% is the change from 976 to 497
Calculation steps:
[( 497 - 976 ) ÷ 976] x 100 = -49.08%
Formula
Percentage change = [(497 - 976) / 976] x 100
Subtract the new number by the original number
497 - 976 = -479
-479 ÷ 976 = -0.49077868852459017
-0.49077868852459017 x 100 = -49.08%