-72.93% is the change from 990 to 268
Calculation steps:
[( 268 - 990 ) ÷ 990] x 100 = -72.93%
Formula
Percentage change = [(268 - 990) / 990] x 100
Subtract the new number by the original number
268 - 990 = -722
-722 ÷ 990 = -0.7292929292929293
-0.7292929292929293 x 100 = -72.93%