-23.1% is the change from 303 to 233
Calculation steps:
[( 233 - 303 ) ÷ 303] x 100 = -23.1%
Formula
Percentage change = [(233 - 303) / 303] x 100
Subtract the new number by the original number
233 - 303 = -70
-70 ÷ 303 = -0.23102310231023102
-0.23102310231023102 x 100 = -23.1%