-94.24% is the change from 330 to 19
Calculation steps:
[( 19 - 330 ) ÷ 330] x 100 = -94.24%
Formula
Percentage change = [(19 - 330) / 330] x 100
Subtract the new number by the original number
19 - 330 = -311
-311 ÷ 330 = -0.9424242424242424
-0.9424242424242424 x 100 = -94.24%