760% is the change from 30 to 258
Calculation steps:
[( 258 - 30 ) ÷ 30] x 100 = 760%
Formula
Percentage change = [(258 - 30) / 30] x 100
Subtract the new number by the original number
258 - 30 = 228
228 ÷ 30 = 7.6
7.6 x 100 = 760%
Example