45.91% is the change from 623 to 909
Calculation steps:
[( 909 - 623 ) ÷ 623] x 100 = 45.91%
Formula
Percentage change = [(909 - 623) / 623] x 100
Subtract the new number by the original number
909 - 623 = 286
286 ÷ 623 = 0.4590690208667737
0.4590690208667737 x 100 = 45.91%