978.13% is the change from 64 to 690
Calculation steps:
[( 690 - 64 ) ÷ 64] x 100 = 978.13%
Formula
Percentage change = [(690 - 64) / 64] x 100
Subtract the new number by the original number
690 - 64 = 626
626 ÷ 64 = 9.78125
9.78125 x 100 = 978.13%
Example