-46.43% is the change from 939 to 503
Calculation steps:
[( 503 - 939 ) ÷ 939] x 100 = -46.43%
Formula
Percentage change = [(503 - 939) / 939] x 100
Subtract the new number by the original number
503 - 939 = -436
-436 ÷ 939 = -0.4643237486687966
-0.4643237486687966 x 100 = -46.43%