-11.64% is the change from 507 to 448
Calculation steps:
[( 448 - 507 ) ÷ 507] x 100 = -11.64%
Formula
Percentage change = [(448 - 507) / 507] x 100
Subtract the new number by the original number
448 - 507 = -59
-59 ÷ 507 = -0.11637080867850098
-0.11637080867850098 x 100 = -11.64%