530.3% is the change from 66 to 416
Calculation steps:
[( 416 - 66 ) ÷ 66] x 100 = 530.3%
Formula
Percentage change = [(416 - 66) / 66] x 100
Subtract the new number by the original number
416 - 66 = 350
350 ÷ 66 = 5.303030303030303
5.303030303030303 x 100 = 530.3%