-75.62% is the change from 566 to 138
Calculation steps:
[( 138 - 566 ) ÷ 566] x 100 = -75.62%
Formula
Percentage change = [(138 - 566) / 566] x 100
Subtract the new number by the original number
138 - 566 = -428
-428 ÷ 566 = -0.7561837455830389
-0.7561837455830389 x 100 = -75.62%