-39.18% is the change from 998 to 607
Calculation steps:
[( 607 - 998 ) ÷ 998] x 100 = -39.18%
Formula
Percentage change = [(607 - 998) / 998] x 100
Subtract the new number by the original number
607 - 998 = -391
-391 ÷ 998 = -0.39178356713426854
-0.39178356713426854 x 100 = -39.18%