-24.84% is the change from 310 to 233
Calculation steps:
[( 233 - 310 ) ÷ 310] x 100 = -24.84%
Formula
Percentage change = [(233 - 310) / 310] x 100
Subtract the new number by the original number
233 - 310 = -77
-77 ÷ 310 = -0.24838709677419354
-0.24838709677419354 x 100 = -24.84%