100.64% is the change from 311 to 624
Calculation steps:
[( 624 - 311 ) ÷ 311] x 100 = 100.64%
Formula
Percentage change = [(624 - 311) / 311] x 100
Subtract the new number by the original number
624 - 311 = 313
313 ÷ 311 = 1.0064308681672025
1.0064308681672025 x 100 = 100.64%