-74.05% is the change from 998 to 259
Calculation steps:
[( 259 - 998 ) ÷ 998] x 100 = -74.05%
Formula
Percentage change = [(259 - 998) / 998] x 100
Subtract the new number by the original number
259 - 998 = -739
-739 ÷ 998 = -0.7404809619238477
-0.7404809619238477 x 100 = -74.05%