58.91% is the change from 623 to 990
Calculation steps:
[( 990 - 623 ) ÷ 623] x 100 = 58.91%
Formula
Percentage change = [(990 - 623) / 623] x 100
Subtract the new number by the original number
990 - 623 = 367
367 ÷ 623 = 0.5890850722311396
0.5890850722311396 x 100 = 58.91%