-54.21% is the change from 998 to 457
Calculation steps:
[( 457 - 998 ) ÷ 998] x 100 = -54.21%
Formula
Percentage change = [(457 - 998) / 998] x 100
Subtract the new number by the original number
457 - 998 = -541
-541 ÷ 998 = -0.5420841683366734
-0.5420841683366734 x 100 = -54.21%