108.36% is the change from 311 to 648
Calculation steps:
[( 648 - 311 ) ÷ 311] x 100 = 108.36%
Formula
Percentage change = [(648 - 311) / 311] x 100
Subtract the new number by the original number
648 - 311 = 337
337 ÷ 311 = 1.0836012861736335
1.0836012861736335 x 100 = 108.36%