950% is the change from 64 to 672
Calculation steps:
[( 672 - 64 ) ÷ 64] x 100 = 950%
Formula
Percentage change = [(672 - 64) / 64] x 100
Subtract the new number by the original number
672 - 64 = 608
608 ÷ 64 = 9.5
9.5 x 100 = 950%
Example