842.19% is the change from 64 to 603
Calculation steps:
[( 603 - 64 ) ÷ 64] x 100 = 842.19%
Formula
Percentage change = [(603 - 64) / 64] x 100
Subtract the new number by the original number
603 - 64 = 539
539 ÷ 64 = 8.421875
8.421875 x 100 = 842.19%