-97.36% is the change from 569 to 15
Calculation steps:
[( 15 - 569 ) ÷ 569] x 100 = -97.36%
Formula
Percentage change = [(15 - 569) / 569] x 100
Subtract the new number by the original number
15 - 569 = -554
-554 ÷ 569 = -0.9736379613356766
-0.9736379613356766 x 100 = -97.36%