217.59% is the change from 108 to 343
Calculation steps:
[( 343 - 108 ) ÷ 108] x 100 = 217.59%
Formula
Percentage change = [(343 - 108) / 108] x 100
Subtract the new number by the original number
343 - 108 = 235
235 ÷ 108 = 2.175925925925926
2.175925925925926 x 100 = 217.59%