20.19% is the change from 213 to 256
Calculation steps:
[( 256 - 213 ) ÷ 213] x 100 = 20.19%
Formula
Percentage change = [(256 - 213) / 213] x 100
Subtract the new number by the original number
256 - 213 = 43
43 ÷ 213 = 0.20187793427230047
0.20187793427230047 x 100 = 20.19%