-45.89% is the change from 998 to 540
Calculation steps:
[( 540 - 998 ) ÷ 998] x 100 = -45.89%
Formula
Percentage change = [(540 - 998) / 998] x 100
Subtract the new number by the original number
540 - 998 = -458
-458 ÷ 998 = -0.4589178356713427
-0.4589178356713427 x 100 = -45.89%