-73.5% is the change from 566 to 150
Calculation steps:
[( 150 - 566 ) ÷ 566] x 100 = -73.5%
Formula
Percentage change = [(150 - 566) / 566] x 100
Subtract the new number by the original number
150 - 566 = -416
-416 ÷ 566 = -0.734982332155477
-0.734982332155477 x 100 = -73.5%