-11.44% is the change from 507 to 449
Calculation steps:
[( 449 - 507 ) ÷ 507] x 100 = -11.44%
Formula
Percentage change = [(449 - 507) / 507] x 100
Subtract the new number by the original number
449 - 507 = -58
-58 ÷ 507 = -0.11439842209072978
-0.11439842209072978 x 100 = -11.44%