-94.13% is the change from 869 to 51
Calculation steps:
[( 51 - 869 ) ÷ 869] x 100 = -94.13%
Formula
Percentage change = [(51 - 869) / 869] x 100
Subtract the new number by the original number
51 - 869 = -818
-818 ÷ 869 = -0.9413118527042578
-0.9413118527042578 x 100 = -94.13%