-23.23% is the change from 990 to 760
Calculation steps:
[( 760 - 990 ) ÷ 990] x 100 = -23.23%
Formula
Percentage change = [(760 - 990) / 990] x 100
Subtract the new number by the original number
760 - 990 = -230
-230 ÷ 990 = -0.23232323232323232
-0.23232323232323232 x 100 = -23.23%