-84.1% is the change from 830 to 132
Calculation steps:
[( 132 - 830 ) ÷ 830] x 100 = -84.1%
Formula
Percentage change = [(132 - 830) / 830] x 100
Subtract the new number by the original number
132 - 830 = -698
-698 ÷ 830 = -0.8409638554216867
-0.8409638554216867 x 100 = -84.1%