-67.23% is the change from 827 to 271
Calculation steps:
[( 271 - 827 ) ÷ 827] x 100 = -67.23%
Formula
Percentage change = [(271 - 827) / 827] x 100
Subtract the new number by the original number
271 - 827 = -556
-556 ÷ 827 = -0.6723095525997581
-0.6723095525997581 x 100 = -67.23%