-45.09% is the change from 916 to 503
Calculation steps:
[( 503 - 916 ) ÷ 916] x 100 = -45.09%
Formula
Percentage change = [(503 - 916) / 916] x 100
Subtract the new number by the original number
503 - 916 = -413
-413 ÷ 916 = -0.45087336244541487
-0.45087336244541487 x 100 = -45.09%