68.21% is the change from 173 to 291
Calculation steps:
[( 291 - 173 ) ÷ 173] x 100 = 68.21%
Formula
Percentage change = [(291 - 173) / 173] x 100
Subtract the new number by the original number
291 - 173 = 118
118 ÷ 173 = 0.6820809248554913
0.6820809248554913 x 100 = 68.21%