71.68% is the change from 173 to 297
Calculation steps:
[( 297 - 173 ) ÷ 173] x 100 = 71.68%
Formula
Percentage change = [(297 - 173) / 173] x 100
Subtract the new number by the original number
297 - 173 = 124
124 ÷ 173 = 0.7167630057803468
0.7167630057803468 x 100 = 71.68%