62.97% is the change from 613 to 999
Calculation steps:
[( 999 - 613 ) ÷ 613] x 100 = 62.97%
Formula
Percentage change = [(999 - 613) / 613] x 100
Subtract the new number by the original number
999 - 613 = 386
386 ÷ 613 = 0.6296900489396411
0.6296900489396411 x 100 = 62.97%