117.53% is the change from 308 to 670
Calculation steps:
[( 670 - 308 ) ÷ 308] x 100 = 117.53%
Formula
Percentage change = [(670 - 308) / 308] x 100
Subtract the new number by the original number
670 - 308 = 362
362 ÷ 308 = 1.1753246753246753
1.1753246753246753 x 100 = 117.53%