35.47% is the change from 623 to 844
Calculation steps:
[( 844 - 623 ) ÷ 623] x 100 = 35.47%
Formula
Percentage change = [(844 - 623) / 623] x 100
Subtract the new number by the original number
844 - 623 = 221
221 ÷ 623 = 0.3547351524879615
0.3547351524879615 x 100 = 35.47%