-73.03% is the change from 990 to 267
Calculation steps:
[( 267 - 990 ) ÷ 990] x 100 = -73.03%
Formula
Percentage change = [(267 - 990) / 990] x 100
Subtract the new number by the original number
267 - 990 = -723
-723 ÷ 990 = -0.7303030303030303
-0.7303030303030303 x 100 = -73.03%