1300% is the change from 17 to 238
Calculation steps:
[( 238 - 17 ) ÷ 17] x 100 = 1300%
Formula
Percentage change = [(238 - 17) / 17] x 100
Subtract the new number by the original number
238 - 17 = 221
221 ÷ 17 = 13
13 x 100 = 1300%
Example