-75.09% is the change from 827 to 206
Calculation steps:
[( 206 - 827 ) ÷ 827] x 100 = -75.09%
Formula
Percentage change = [(206 - 827) / 827] x 100
Subtract the new number by the original number
206 - 827 = -621
-621 ÷ 827 = -0.750906892382104
-0.750906892382104 x 100 = -75.09%