-92.69% is the change from 999 to 73
Calculation steps:
[( 73 - 999 ) ÷ 999] x 100 = -92.69%
Formula
Percentage change = [(73 - 999) / 999] x 100
Subtract the new number by the original number
73 - 999 = -926
-926 ÷ 999 = -0.9269269269269269
-0.9269269269269269 x 100 = -92.69%