757.81% is the change from 64 to 549
Calculation steps:
[( 549 - 64 ) ÷ 64] x 100 = 757.81%
Formula
Percentage change = [(549 - 64) / 64] x 100
Subtract the new number by the original number
549 - 64 = 485
485 ÷ 64 = 7.578125
7.578125 x 100 = 757.81%