-76.46% is the change from 990 to 233
Calculation steps:
[( 233 - 990 ) ÷ 990] x 100 = -76.46%
Formula
Percentage change = [(233 - 990) / 990] x 100
Subtract the new number by the original number
233 - 990 = -757
-757 ÷ 990 = -0.7646464646464647
-0.7646464646464647 x 100 = -76.46%