-49.78% is the change from 460 to 231
Calculation steps:
[( 231 - 460 ) ÷ 460] x 100 = -49.78%
Formula
Percentage change = [(231 - 460) / 460] x 100
Subtract the new number by the original number
231 - 460 = -229
-229 ÷ 460 = -0.49782608695652175
-0.49782608695652175 x 100 = -49.78%