-3.57% is the change from 869 to 838
Calculation steps:
[( 838 - 869 ) ÷ 869] x 100 = -3.57%
Formula
Percentage change = [(838 - 869) / 869] x 100
Subtract the new number by the original number
838 - 869 = -31
-31 ÷ 869 = -0.03567318757192175
-0.03567318757192175 x 100 = -3.57%