-34.41% is the change from 863 to 566
Calculation steps:
[( 566 - 863 ) ÷ 863] x 100 = -34.41%
Formula
Percentage change = [(566 - 863) / 863] x 100
Subtract the new number by the original number
566 - 863 = -297
-297 ÷ 863 = -0.34414831981460026
-0.34414831981460026 x 100 = -34.41%