-83.68% is the change from 827 to 135
Calculation steps:
[( 135 - 827 ) ÷ 827] x 100 = -83.68%
Formula
Percentage change = [(135 - 827) / 827] x 100
Subtract the new number by the original number
135 - 827 = -692
-692 ÷ 827 = -0.8367593712212817
-0.8367593712212817 x 100 = -83.68%