765.63% is the change from 64 to 554
Calculation steps:
[( 554 - 64 ) ÷ 64] x 100 = 765.63%
Formula
Percentage change = [(554 - 64) / 64] x 100
Subtract the new number by the original number
554 - 64 = 490
490 ÷ 64 = 7.65625
7.65625 x 100 = 765.63%
Example