51.64% is the change from 213 to 323
Calculation steps:
[( 323 - 213 ) ÷ 213] x 100 = 51.64%
Formula
Percentage change = [(323 - 213) / 213] x 100
Subtract the new number by the original number
323 - 213 = 110
110 ÷ 213 = 0.5164319248826291
0.5164319248826291 x 100 = 51.64%