-40.56% is the change from 503 to 299
Calculation steps:
[( 299 - 503 ) ÷ 503] x 100 = -40.56%
Formula
Percentage change = [(299 - 503) / 503] x 100
Subtract the new number by the original number
299 - 503 = -204
-204 ÷ 503 = -0.40556660039761433
-0.40556660039761433 x 100 = -40.56%