-31.63% is the change from 566 to 387
Calculation steps:
[( 387 - 566 ) ÷ 566] x 100 = -31.63%
Formula
Percentage change = [(387 - 566) / 566] x 100
Subtract the new number by the original number
387 - 566 = -179
-179 ÷ 566 = -0.31625441696113077
-0.31625441696113077 x 100 = -31.63%