-94.06% is the change from 859 to 51
Calculation steps:
[( 51 - 859 ) ÷ 859] x 100 = -94.06%
Formula
Percentage change = [(51 - 859) / 859] x 100
Subtract the new number by the original number
51 - 859 = -808
-808 ÷ 859 = -0.940628637951106
-0.940628637951106 x 100 = -94.06%