374.24% is the change from 66 to 313
Calculation steps:
[( 313 - 66 ) ÷ 66] x 100 = 374.24%
Formula
Percentage change = [(313 - 66) / 66] x 100
Subtract the new number by the original number
313 - 66 = 247
247 ÷ 66 = 3.742424242424242
3.742424242424242 x 100 = 374.24%