968.75% is the change from 64 to 684
Calculation steps:
[( 684 - 64 ) ÷ 64] x 100 = 968.75%
Formula
Percentage change = [(684 - 64) / 64] x 100
Subtract the new number by the original number
684 - 64 = 620
620 ÷ 64 = 9.6875
9.6875 x 100 = 968.75%
Example