-67.84% is the change from 827 to 266
Calculation steps:
[( 266 - 827 ) ÷ 827] x 100 = -67.84%
Formula
Percentage change = [(266 - 827) / 827] x 100
Subtract the new number by the original number
266 - 827 = -561
-561 ÷ 827 = -0.6783555018137848
-0.6783555018137848 x 100 = -67.84%