-57.11% is the change from 998 to 428
Calculation steps:
[( 428 - 998 ) ÷ 998] x 100 = -57.11%
Formula
Percentage change = [(428 - 998) / 998] x 100
Subtract the new number by the original number
428 - 998 = -570
-570 ÷ 998 = -0.5711422845691383
-0.5711422845691383 x 100 = -57.11%