12.18% is the change from 197 to 221
Calculation steps:
[( 221 - 197 ) ÷ 197] x 100 = 12.18%
Formula
Percentage change = [(221 - 197) / 197] x 100
Subtract the new number by the original number
221 - 197 = 24
24 ÷ 197 = 0.1218274111675127
0.1218274111675127 x 100 = 12.18%