-0.6% is the change from 332 to 330
Calculation steps:
[( 330 - 332 ) ÷ 332] x 100 = -0.6%
Formula
Percentage change = [(330 - 332) / 332] x 100
Subtract the new number by the original number
330 - 332 = -2
-2 ÷ 332 = -0.006024096385542169
-0.006024096385542169 x 100 = -0.6%