-29.57% is the change from 869 to 612
Calculation steps:
[( 612 - 869 ) ÷ 869] x 100 = -29.57%
Formula
Percentage change = [(612 - 869) / 869] x 100
Subtract the new number by the original number
612 - 869 = -257
-257 ÷ 869 = -0.2957422324510932
-0.2957422324510932 x 100 = -29.57%