-86.75% is the change from 566 to 75
Calculation steps:
[( 75 - 566 ) ÷ 566] x 100 = -86.75%
Formula
Percentage change = [(75 - 566) / 566] x 100
Subtract the new number by the original number
75 - 566 = -491
-491 ÷ 566 = -0.8674911660777385
-0.8674911660777385 x 100 = -86.75%