259.38% is the change from 96 to 345
Calculation steps:
[( 345 - 96 ) ÷ 96] x 100 = 259.38%
Formula
Percentage change = [(345 - 96) / 96] x 100
Subtract the new number by the original number
345 - 96 = 249
249 ÷ 96 = 2.59375
2.59375 x 100 = 259.38%
Example