730.3% is the change from 66 to 548
Calculation steps:
[( 548 - 66 ) ÷ 66] x 100 = 730.3%
Formula
Percentage change = [(548 - 66) / 66] x 100
Subtract the new number by the original number
548 - 66 = 482
482 ÷ 66 = 7.303030303030303
7.303030303030303 x 100 = 730.3%