-23.76% is the change from 303 to 231
Calculation steps:
[( 231 - 303 ) ÷ 303] x 100 = -23.76%
Formula
Percentage change = [(231 - 303) / 303] x 100
Subtract the new number by the original number
231 - 303 = -72
-72 ÷ 303 = -0.2376237623762376
-0.2376237623762376 x 100 = -23.76%