63.61% is the change from 610 to 998
Calculation steps:
[( 998 - 610 ) ÷ 610] x 100 = 63.61%
Formula
Percentage change = [(998 - 610) / 610] x 100
Subtract the new number by the original number
998 - 610 = 388
388 ÷ 610 = 0.6360655737704918
0.6360655737704918 x 100 = 63.61%