76.36% is the change from 55 to 97
Calculation steps:
[( 97 - 55 ) ÷ 55] x 100 = 76.36%
Formula
Percentage change = [(97 - 55) / 55] x 100
Subtract the new number by the original number
97 - 55 = 42
42 ÷ 55 = 0.7636363636363637
0.7636363636363637 x 100 = 76.36%