-51.06% is the change from 566 to 277
Calculation steps:
[( 277 - 566 ) ÷ 566] x 100 = -51.06%
Formula
Percentage change = [(277 - 566) / 566] x 100
Subtract the new number by the original number
277 - 566 = -289
-289 ÷ 566 = -0.5106007067137809
-0.5106007067137809 x 100 = -51.06%