-32.03% is the change from 459 to 312
Calculation steps:
[( 312 - 459 ) ÷ 459] x 100 = -32.03%
Formula
Percentage change = [(312 - 459) / 459] x 100
Subtract the new number by the original number
312 - 459 = -147
-147 ÷ 459 = -0.3202614379084967
-0.3202614379084967 x 100 = -32.03%