61.4% is the change from 171 to 276
Calculation steps:
[( 276 - 171 ) ÷ 171] x 100 = 61.4%
Formula
Percentage change = [(276 - 171) / 171] x 100
Subtract the new number by the original number
276 - 171 = 105
105 ÷ 171 = 0.6140350877192983
0.6140350877192983 x 100 = 61.4%