561.76% is the change from 68 to 450
Calculation steps:
[( 450 - 68 ) ÷ 68] x 100 = 561.76%
Formula
Percentage change = [(450 - 68) / 68] x 100
Subtract the new number by the original number
450 - 68 = 382
382 ÷ 68 = 5.617647058823529
5.617647058823529 x 100 = 561.76%