693.94% is the change from 66 to 524
Calculation steps:
[( 524 - 66 ) ÷ 66] x 100 = 693.94%
Formula
Percentage change = [(524 - 66) / 66] x 100
Subtract the new number by the original number
524 - 66 = 458
458 ÷ 66 = 6.9393939393939394
6.9393939393939394 x 100 = 693.94%