348.53% is the change from 68 to 305
Calculation steps:
[( 305 - 68 ) ÷ 68] x 100 = 348.53%
Formula
Percentage change = [(305 - 68) / 68] x 100
Subtract the new number by the original number
305 - 68 = 237
237 ÷ 68 = 3.485294117647059
3.485294117647059 x 100 = 348.53%