49.02% is the change from 614 to 915
Calculation steps:
[( 915 - 614 ) ÷ 614] x 100 = 49.02%
Formula
Percentage change = [(915 - 614) / 614] x 100
Subtract the new number by the original number
915 - 614 = 301
301 ÷ 614 = 0.49022801302931596
0.49022801302931596 x 100 = 49.02%