-84.09% is the change from 817 to 130
Calculation steps:
[( 130 - 817 ) ÷ 817] x 100 = -84.09%
Formula
Percentage change = [(130 - 817) / 817] x 100
Subtract the new number by the original number
130 - 817 = -687
-687 ÷ 817 = -0.8408812729498164
-0.8408812729498164 x 100 = -84.09%