-36.57% is the change from 998 to 633
Calculation steps:
[( 633 - 998 ) ÷ 998] x 100 = -36.57%
Formula
Percentage change = [(633 - 998) / 998] x 100
Subtract the new number by the original number
633 - 998 = -365
-365 ÷ 998 = -0.3657314629258517
-0.3657314629258517 x 100 = -36.57%