-36.94% is the change from 988 to 623
Calculation steps:
[( 623 - 988 ) ÷ 988] x 100 = -36.94%
Formula
Percentage change = [(623 - 988) / 988] x 100
Subtract the new number by the original number
623 - 988 = -365
-365 ÷ 988 = -0.3694331983805668
-0.3694331983805668 x 100 = -36.94%