49.28% is the change from 623 to 930
Calculation steps:
[( 930 - 623 ) ÷ 623] x 100 = 49.28%
Formula
Percentage change = [(930 - 623) / 623] x 100
Subtract the new number by the original number
930 - 623 = 307
307 ÷ 623 = 0.492776886035313
0.492776886035313 x 100 = 49.28%