743.75% is the change from 64 to 540
Calculation steps:
[( 540 - 64 ) ÷ 64] x 100 = 743.75%
Formula
Percentage change = [(540 - 64) / 64] x 100
Subtract the new number by the original number
540 - 64 = 476
476 ÷ 64 = 7.4375
7.4375 x 100 = 743.75%
Example