51.14% is the change from 616 to 931
Calculation steps:
[( 931 - 616 ) ÷ 616] x 100 = 51.14%
Formula
Percentage change = [(931 - 616) / 616] x 100
Subtract the new number by the original number
931 - 616 = 315
315 ÷ 616 = 0.5113636363636364
0.5113636363636364 x 100 = 51.14%