87.32% is the change from 213 to 399
Calculation steps:
[( 399 - 213 ) ÷ 213] x 100 = 87.32%
Formula
Percentage change = [(399 - 213) / 213] x 100
Subtract the new number by the original number
399 - 213 = 186
186 ÷ 213 = 0.8732394366197183
0.8732394366197183 x 100 = 87.32%