-47.85% is the change from 976 to 509
Calculation steps:
[( 509 - 976 ) ÷ 976] x 100 = -47.85%
Formula
Percentage change = [(509 - 976) / 976] x 100
Subtract the new number by the original number
509 - 976 = -467
-467 ÷ 976 = -0.47848360655737704
-0.47848360655737704 x 100 = -47.85%