-3.34% is the change from 899 to 869
Calculation steps:
[( 869 - 899 ) ÷ 899] x 100 = -3.34%
Formula
Percentage change = [(869 - 899) / 899] x 100
Subtract the new number by the original number
869 - 899 = -30
-30 ÷ 899 = -0.03337041156840934
-0.03337041156840934 x 100 = -3.34%