2400% is the change from 7 to 175
Calculation steps:
[( 175 - 7 ) ÷ 7] x 100 = 2400%
Formula
Percentage change = [(175 - 7) / 7] x 100
Subtract the new number by the original number
175 - 7 = 168
168 ÷ 7 = 24
24 x 100 = 2400%
Example