116.23% is the change from 308 to 666
Calculation steps:
[( 666 - 308 ) ÷ 308] x 100 = 116.23%
Formula
Percentage change = [(666 - 308) / 308] x 100
Subtract the new number by the original number
666 - 308 = 358
358 ÷ 308 = 1.1623376623376624
1.1623376623376624 x 100 = 116.23%