469.7% is the change from 66 to 376
Calculation steps:
[( 376 - 66 ) ÷ 66] x 100 = 469.7%
Formula
Percentage change = [(376 - 66) / 66] x 100
Subtract the new number by the original number
376 - 66 = 310
310 ÷ 66 = 4.696969696969697
4.696969696969697 x 100 = 469.7%