-66.63% is the change from 869 to 290
Calculation steps:
[( 290 - 869 ) ÷ 869] x 100 = -66.63%
Formula
Percentage change = [(290 - 869) / 869] x 100
Subtract the new number by the original number
290 - 869 = -579
-579 ÷ 869 = -0.666283084004603
-0.666283084004603 x 100 = -66.63%