851.47% is the change from 68 to 647
Calculation steps:
[( 647 - 68 ) ÷ 68] x 100 = 851.47%
Formula
Percentage change = [(647 - 68) / 68] x 100
Subtract the new number by the original number
647 - 68 = 579
579 ÷ 68 = 8.514705882352942
8.514705882352942 x 100 = 851.47%