-44.05% is the change from 899 to 503
Calculation steps:
[( 503 - 899 ) ÷ 899] x 100 = -44.05%
Formula
Percentage change = [(503 - 899) / 899] x 100
Subtract the new number by the original number
503 - 899 = -396
-396 ÷ 899 = -0.44048943270300334
-0.44048943270300334 x 100 = -44.05%