97.47% is the change from 316 to 624
Calculation steps:
[( 624 - 316 ) ÷ 316] x 100 = 97.47%
Formula
Percentage change = [(624 - 316) / 316] x 100
Subtract the new number by the original number
624 - 316 = 308
308 ÷ 316 = 0.9746835443037974
0.9746835443037974 x 100 = 97.47%