-84.3% is the change from 828 to 130
Calculation steps:
[( 130 - 828 ) ÷ 828] x 100 = -84.3%
Formula
Percentage change = [(130 - 828) / 828] x 100
Subtract the new number by the original number
130 - 828 = -698
-698 ÷ 828 = -0.8429951690821256
-0.8429951690821256 x 100 = -84.3%