-11.53% is the change from 503 to 445
Calculation steps:
[( 445 - 503 ) ÷ 503] x 100 = -11.53%
Formula
Percentage change = [(445 - 503) / 503] x 100
Subtract the new number by the original number
445 - 503 = -58
-58 ÷ 503 = -0.11530815109343936
-0.11530815109343936 x 100 = -11.53%