-91.34% is the change from 566 to 49
Calculation steps:
[( 49 - 566 ) ÷ 566] x 100 = -91.34%
Formula
Percentage change = [(49 - 566) / 566] x 100
Subtract the new number by the original number
49 - 566 = -517
-517 ÷ 566 = -0.9134275618374559
-0.9134275618374559 x 100 = -91.34%