63.1% is the change from 607 to 990
Calculation steps:
[( 990 - 607 ) ÷ 607] x 100 = 63.1%
Formula
Percentage change = [(990 - 607) / 607] x 100
Subtract the new number by the original number
990 - 607 = 383
383 ÷ 607 = 0.6309719934102141
0.6309719934102141 x 100 = 63.1%