-92.28% is the change from 998 to 77
Calculation steps:
[( 77 - 998 ) ÷ 998] x 100 = -92.28%
Formula
Percentage change = [(77 - 998) / 998] x 100
Subtract the new number by the original number
77 - 998 = -921
-921 ÷ 998 = -0.9228456913827655
-0.9228456913827655 x 100 = -92.28%