-40.65% is the change from 556 to 330
Calculation steps:
[( 330 - 556 ) ÷ 556] x 100 = -40.65%
Formula
Percentage change = [(330 - 556) / 556] x 100
Subtract the new number by the original number
330 - 556 = -226
-226 ÷ 556 = -0.4064748201438849
-0.4064748201438849 x 100 = -40.65%