233.33% is the change from 102 to 340
Calculation steps:
[( 340 - 102 ) ÷ 102] x 100 = 233.33%
Formula
Percentage change = [(340 - 102) / 102] x 100
Subtract the new number by the original number
340 - 102 = 238
238 ÷ 102 = 2.3333333333333335
2.3333333333333335 x 100 = 233.33%