-8.23% is the change from 620 to 569
Calculation steps:
[( 569 - 620 ) ÷ 620] x 100 = -8.23%
Formula
Percentage change = [(569 - 620) / 620] x 100
Subtract the new number by the original number
569 - 620 = -51
-51 ÷ 620 = -0.08225806451612903
-0.08225806451612903 x 100 = -8.23%