-11.49% is the change from 505 to 447
Calculation steps:
[( 447 - 505 ) ÷ 505] x 100 = -11.49%
Formula
Percentage change = [(447 - 505) / 505] x 100
Subtract the new number by the original number
447 - 505 = -58
-58 ÷ 505 = -0.11485148514851486
-0.11485148514851486 x 100 = -11.49%