-31.72% is the change from 829 to 566
Calculation steps:
[( 566 - 829 ) ÷ 829] x 100 = -31.72%
Formula
Percentage change = [(566 - 829) / 829] x 100
Subtract the new number by the original number
566 - 829 = -263
-263 ÷ 829 = -0.3172496984318456
-0.3172496984318456 x 100 = -31.72%