150% is the change from 330 to 825
Calculation steps:
[( 825 - 330 ) ÷ 330] x 100 = 150%
Formula
Percentage change = [(825 - 330) / 330] x 100
Subtract the new number by the original number
825 - 330 = 495
495 ÷ 330 = 1.5
1.5 x 100 = 150%
Example