-77.51% is the change from 827 to 186
Calculation steps:
[( 186 - 827 ) ÷ 827] x 100 = -77.51%
Formula
Percentage change = [(186 - 827) / 827] x 100
Subtract the new number by the original number
186 - 827 = -641
-641 ÷ 827 = -0.7750906892382105
-0.7750906892382105 x 100 = -77.51%