50.23% is the change from 213 to 320
Calculation steps:
[( 320 - 213 ) ÷ 213] x 100 = 50.23%
Formula
Percentage change = [(320 - 213) / 213] x 100
Subtract the new number by the original number
320 - 213 = 107
107 ÷ 213 = 0.5023474178403756
0.5023474178403756 x 100 = 50.23%