-49.04% is the change from 987 to 503
Calculation steps:
[( 503 - 987 ) ÷ 987] x 100 = -49.04%
Formula
Percentage change = [(503 - 987) / 987] x 100
Subtract the new number by the original number
503 - 987 = -484
-484 ÷ 987 = -0.49037487335359675
-0.49037487335359675 x 100 = -49.04%