-92.9% is the change from 859 to 61
Calculation steps:
[( 61 - 859 ) ÷ 859] x 100 = -92.9%
Formula
Percentage change = [(61 - 859) / 859] x 100
Subtract the new number by the original number
61 - 859 = -798
-798 ÷ 859 = -0.9289871944121071
-0.9289871944121071 x 100 = -92.9%