15.71% is the change from 210 to 243
Calculation steps:
[( 243 - 210 ) ÷ 210] x 100 = 15.71%
Formula
Percentage change = [(243 - 210) / 210] x 100
Subtract the new number by the original number
243 - 210 = 33
33 ÷ 210 = 0.15714285714285714
0.15714285714285714 x 100 = 15.71%