844.12% is the change from 68 to 642
Calculation steps:
[( 642 - 68 ) ÷ 68] x 100 = 844.12%
Formula
Percentage change = [(642 - 68) / 68] x 100
Subtract the new number by the original number
642 - 68 = 574
574 ÷ 68 = 8.441176470588236
8.441176470588236 x 100 = 844.12%