46.97% is the change from 66 to 97
Calculation steps:
[( 97 - 66 ) ÷ 66] x 100 = 46.97%
Formula
Percentage change = [(97 - 66) / 66] x 100
Subtract the new number by the original number
97 - 66 = 31
31 ÷ 66 = 0.4696969696969697
0.4696969696969697 x 100 = 46.97%