-43.16% is the change from 899 to 511
Calculation steps:
[( 511 - 899 ) ÷ 899] x 100 = -43.16%
Formula
Percentage change = [(511 - 899) / 899] x 100
Subtract the new number by the original number
511 - 899 = -388
-388 ÷ 899 = -0.43159065628476084
-0.43159065628476084 x 100 = -43.16%