-42.42% is the change from 330 to 190
Calculation steps:
[( 190 - 330 ) ÷ 330] x 100 = -42.42%
Formula
Percentage change = [(190 - 330) / 330] x 100
Subtract the new number by the original number
190 - 330 = -140
-140 ÷ 330 = -0.42424242424242425
-0.42424242424242425 x 100 = -42.42%