-91.21% is the change from 569 to 50
Calculation steps:
[( 50 - 569 ) ÷ 569] x 100 = -91.21%
Formula
Percentage change = [(50 - 569) / 569] x 100
Subtract the new number by the original number
50 - 569 = -519
-519 ÷ 569 = -0.9121265377855887
-0.9121265377855887 x 100 = -91.21%