-71.91% is the change from 566 to 159
Calculation steps:
[( 159 - 566 ) ÷ 566] x 100 = -71.91%
Formula
Percentage change = [(159 - 566) / 566] x 100
Subtract the new number by the original number
159 - 566 = -407
-407 ÷ 566 = -0.7190812720848057
-0.7190812720848057 x 100 = -71.91%