-24.52% is the change from 310 to 234
Calculation steps:
[( 234 - 310 ) ÷ 310] x 100 = -24.52%
Formula
Percentage change = [(234 - 310) / 310] x 100
Subtract the new number by the original number
234 - 310 = -76
-76 ÷ 310 = -0.24516129032258063
-0.24516129032258063 x 100 = -24.52%