-23.5% is the change from 600 to 459
Calculation steps:
[( 459 - 600 ) ÷ 600] x 100 = -23.5%
Formula
Percentage change = [(459 - 600) / 600] x 100
Subtract the new number by the original number
459 - 600 = -141
-141 ÷ 600 = -0.235
-0.235 x 100 = -23.5%