-77.27% is the change from 827 to 188
Calculation steps:
[( 188 - 827 ) ÷ 827] x 100 = -77.27%
Formula
Percentage change = [(188 - 827) / 827] x 100
Subtract the new number by the original number
188 - 827 = -639
-639 ÷ 827 = -0.7726723095525998
-0.7726723095525998 x 100 = -77.27%