-84.72% is the change from 851 to 130
Calculation steps:
[( 130 - 851 ) ÷ 851] x 100 = -84.72%
Formula
Percentage change = [(130 - 851) / 851] x 100
Subtract the new number by the original number
130 - 851 = -721
-721 ÷ 851 = -0.8472385428907168
-0.8472385428907168 x 100 = -84.72%