-28.25% is the change from 899 to 645
Calculation steps:
[( 645 - 899 ) ÷ 899] x 100 = -28.25%
Formula
Percentage change = [(645 - 899) / 899] x 100
Subtract the new number by the original number
645 - 899 = -254
-254 ÷ 899 = -0.2825361512791991
-0.2825361512791991 x 100 = -28.25%