-47.23% is the change from 993 to 524
Calculation steps:
[( 524 - 993 ) ÷ 993] x 100 = -47.23%
Formula
Percentage change = [(524 - 993) / 993] x 100
Subtract the new number by the original number
524 - 993 = -469
-469 ÷ 993 = -0.47230614300100704
-0.47230614300100704 x 100 = -47.23%