-50.32% is the change from 465 to 231
Calculation steps:
[( 231 - 465 ) ÷ 465] x 100 = -50.32%
Formula
Percentage change = [(231 - 465) / 465] x 100
Subtract the new number by the original number
231 - 465 = -234
-234 ÷ 465 = -0.5032258064516129
-0.5032258064516129 x 100 = -50.32%