-60.48% is the change from 835 to 330
Calculation steps:
[( 330 - 835 ) ÷ 835] x 100 = -60.48%
Formula
Percentage change = [(330 - 835) / 835] x 100
Subtract the new number by the original number
330 - 835 = -505
-505 ÷ 835 = -0.6047904191616766
-0.6047904191616766 x 100 = -60.48%