570% is the change from 30 to 201
Calculation steps:
[( 201 - 30 ) ÷ 30] x 100 = 570%
Formula
Percentage change = [(201 - 30) / 30] x 100
Subtract the new number by the original number
201 - 30 = 171
171 ÷ 30 = 5.7
5.7 x 100 = 570%
Example