-3.34% is the change from 569 to 550
Calculation steps:
[( 550 - 569 ) ÷ 569] x 100 = -3.34%
Formula
Percentage change = [(550 - 569) / 569] x 100
Subtract the new number by the original number
550 - 569 = -19
-19 ÷ 569 = -0.033391915641476276
-0.033391915641476276 x 100 = -3.34%