713.64% is the change from 66 to 537
Calculation steps:
[( 537 - 66 ) ÷ 66] x 100 = 713.64%
Formula
Percentage change = [(537 - 66) / 66] x 100
Subtract the new number by the original number
537 - 66 = 471
471 ÷ 66 = 7.136363636363637
7.136363636363637 x 100 = 713.64%