372.06% is the change from 68 to 321
Calculation steps:
[( 321 - 68 ) ÷ 68] x 100 = 372.06%
Formula
Percentage change = [(321 - 68) / 68] x 100
Subtract the new number by the original number
321 - 68 = 253
253 ÷ 68 = 3.7205882352941178
3.7205882352941178 x 100 = 372.06%