210.81% is the change from 111 to 345
Calculation steps:
[( 345 - 111 ) ÷ 111] x 100 = 210.81%
Formula
Percentage change = [(345 - 111) / 111] x 100
Subtract the new number by the original number
345 - 111 = 234
234 ÷ 111 = 2.108108108108108
2.108108108108108 x 100 = 210.81%