346.08% is the change from 102 to 455
Calculation steps:
[( 455 - 102 ) ÷ 102] x 100 = 346.08%
Formula
Percentage change = [(455 - 102) / 102] x 100
Subtract the new number by the original number
455 - 102 = 353
353 ÷ 102 = 3.4607843137254903
3.4607843137254903 x 100 = 346.08%