560% is the change from 50 to 330
Calculation steps:
[( 330 - 50 ) ÷ 50] x 100 = 560%
Formula
Percentage change = [(330 - 50) / 50] x 100
Subtract the new number by the original number
330 - 50 = 280
280 ÷ 50 = 5.6
5.6 x 100 = 560%
Example