989.06% is the change from 64 to 697
Calculation steps:
[( 697 - 64 ) ÷ 64] x 100 = 989.06%
Formula
Percentage change = [(697 - 64) / 64] x 100
Subtract the new number by the original number
697 - 64 = 633
633 ÷ 64 = 9.890625
9.890625 x 100 = 989.06%