252.04% is the change from 98 to 345
Calculation steps:
[( 345 - 98 ) ÷ 98] x 100 = 252.04%
Formula
Percentage change = [(345 - 98) / 98] x 100
Subtract the new number by the original number
345 - 98 = 247
247 ÷ 98 = 2.520408163265306
2.520408163265306 x 100 = 252.04%