20.12% is the change from 164 to 197
Calculation steps:
[( 197 - 164 ) ÷ 164] x 100 = 20.12%
Formula
Percentage change = [(197 - 164) / 164] x 100
Subtract the new number by the original number
197 - 164 = 33
33 ÷ 164 = 0.20121951219512196
0.20121951219512196 x 100 = 20.12%