-90.96% is the change from 332 to 30
Calculation steps:
[( 30 - 332 ) ÷ 332] x 100 = -90.96%
Formula
Percentage change = [(30 - 332) / 332] x 100
Subtract the new number by the original number
30 - 332 = -302
-302 ÷ 332 = -0.9096385542168675
-0.9096385542168675 x 100 = -90.96%