21.13% is the change from 213 to 258
Calculation steps:
[( 258 - 213 ) ÷ 213] x 100 = 21.13%
Formula
Percentage change = [(258 - 213) / 213] x 100
Subtract the new number by the original number
258 - 213 = 45
45 ÷ 213 = 0.2112676056338028
0.2112676056338028 x 100 = 21.13%