31.33% is the change from 150 to 197
Calculation steps:
[( 197 - 150 ) ÷ 150] x 100 = 31.33%
Formula
Percentage change = [(197 - 150) / 150] x 100
Subtract the new number by the original number
197 - 150 = 47
47 ÷ 150 = 0.31333333333333335
0.31333333333333335 x 100 = 31.33%