50.57% is the change from 613 to 923
Calculation steps:
[( 923 - 613 ) ÷ 613] x 100 = 50.57%
Formula
Percentage change = [(923 - 613) / 613] x 100
Subtract the new number by the original number
923 - 613 = 310
310 ÷ 613 = 0.5057096247960848
0.5057096247960848 x 100 = 50.57%