-19.1% is the change from 581 to 470
Calculation steps:
[( 470 - 581 ) ÷ 581] x 100 = -19.1%
Formula
Percentage change = [(470 - 581) / 581] x 100
Subtract the new number by the original number
470 - 581 = -111
-111 ÷ 581 = -0.19104991394148021
-0.19104991394148021 x 100 = -19.1%