-57.19% is the change from 988 to 423
Calculation steps:
[( 423 - 988 ) ÷ 988] x 100 = -57.19%
Formula
Percentage change = [(423 - 988) / 988] x 100
Subtract the new number by the original number
423 - 988 = -565
-565 ÷ 988 = -0.5718623481781376
-0.5718623481781376 x 100 = -57.19%