169.53% is the change from 128 to 345
Calculation steps:
[( 345 - 128 ) ÷ 128] x 100 = 169.53%
Formula
Percentage change = [(345 - 128) / 128] x 100
Subtract the new number by the original number
345 - 128 = 217
217 ÷ 128 = 1.6953125
1.6953125 x 100 = 169.53%