-45.38% is the change from 899 to 491
Calculation steps:
[( 491 - 899 ) ÷ 899] x 100 = -45.38%
Formula
Percentage change = [(491 - 899) / 899] x 100
Subtract the new number by the original number
491 - 899 = -408
-408 ÷ 899 = -0.45383759733036705
-0.45383759733036705 x 100 = -45.38%