62.03% is the change from 611 to 990
Calculation steps:
[( 990 - 611 ) ÷ 611] x 100 = 62.03%
Formula
Percentage change = [(990 - 611) / 611] x 100
Subtract the new number by the original number
990 - 611 = 379
379 ÷ 611 = 0.6202945990180033
0.6202945990180033 x 100 = 62.03%