-63.6% is the change from 566 to 206
Calculation steps:
[( 206 - 566 ) ÷ 566] x 100 = -63.6%
Formula
Percentage change = [(206 - 566) / 566] x 100
Subtract the new number by the original number
206 - 566 = -360
-360 ÷ 566 = -0.6360424028268551
-0.6360424028268551 x 100 = -63.6%