-9.47% is the change from 507 to 459
Calculation steps:
[( 459 - 507 ) ÷ 507] x 100 = -9.47%
Formula
Percentage change = [(459 - 507) / 507] x 100
Subtract the new number by the original number
459 - 507 = -48
-48 ÷ 507 = -0.09467455621301775
-0.09467455621301775 x 100 = -9.47%