-44.42% is the change from 905 to 503
Calculation steps:
[( 503 - 905 ) ÷ 905] x 100 = -44.42%
Formula
Percentage change = [(503 - 905) / 905] x 100
Subtract the new number by the original number
503 - 905 = -402
-402 ÷ 905 = -0.44419889502762433
-0.44419889502762433 x 100 = -44.42%