-66.63% is the change from 827 to 276
Calculation steps:
[( 276 - 827 ) ÷ 827] x 100 = -66.63%
Formula
Percentage change = [(276 - 827) / 827] x 100
Subtract the new number by the original number
276 - 827 = -551
-551 ÷ 827 = -0.6662636033857315
-0.6662636033857315 x 100 = -66.63%