-32.97% is the change from 998 to 669
Calculation steps:
[( 669 - 998 ) ÷ 998] x 100 = -32.97%
Formula
Percentage change = [(669 - 998) / 998] x 100
Subtract the new number by the original number
669 - 998 = -329
-329 ÷ 998 = -0.32965931863727455
-0.32965931863727455 x 100 = -32.97%