-73.33% is the change from 990 to 264
Calculation steps:
[( 264 - 990 ) ÷ 990] x 100 = -73.33%
Formula
Percentage change = [(264 - 990) / 990] x 100
Subtract the new number by the original number
264 - 990 = -726
-726 ÷ 990 = -0.7333333333333333
-0.7333333333333333 x 100 = -73.33%