293.18% is the change from 88 to 346
Calculation steps:
[( 346 - 88 ) ÷ 88] x 100 = 293.18%
Formula
Percentage change = [(346 - 88) / 88] x 100
Subtract the new number by the original number
346 - 88 = 258
258 ÷ 88 = 2.9318181818181817
2.9318181818181817 x 100 = 293.18%