-67.82% is the change from 811 to 261
Calculation steps:
[( 261 - 811 ) ÷ 811] x 100 = -67.82%
Formula
Percentage change = [(261 - 811) / 811] x 100
Subtract the new number by the original number
261 - 811 = -550
-550 ÷ 811 = -0.6781750924784217
-0.6781750924784217 x 100 = -67.82%