108.04% is the change from 311 to 647
Calculation steps:
[( 647 - 311 ) ÷ 311] x 100 = 108.04%
Formula
Percentage change = [(647 - 311) / 311] x 100
Subtract the new number by the original number
647 - 311 = 336
336 ÷ 311 = 1.0803858520900322
1.0803858520900322 x 100 = 108.04%