-43.27% is the change from 899 to 510
Calculation steps:
[( 510 - 899 ) ÷ 899] x 100 = -43.27%
Formula
Percentage change = [(510 - 899) / 899] x 100
Subtract the new number by the original number
510 - 899 = -389
-389 ÷ 899 = -0.43270300333704115
-0.43270300333704115 x 100 = -43.27%