54.82% is the change from 197 to 305
Calculation steps:
[( 305 - 197 ) ÷ 197] x 100 = 54.82%
Formula
Percentage change = [(305 - 197) / 197] x 100
Subtract the new number by the original number
305 - 197 = 108
108 ÷ 197 = 0.5482233502538071
0.5482233502538071 x 100 = 54.82%