-13.92% is the change from 503 to 433
Calculation steps:
[( 433 - 503 ) ÷ 503] x 100 = -13.92%
Formula
Percentage change = [(433 - 503) / 503] x 100
Subtract the new number by the original number
433 - 503 = -70
-70 ÷ 503 = -0.13916500994035785
-0.13916500994035785 x 100 = -13.92%