66.18% is the change from 275 to 457
Calculation steps:
[( 457 - 275 ) ÷ 275] x 100 = 66.18%
Formula
Percentage change = [(457 - 275) / 275] x 100
Subtract the new number by the original number
457 - 275 = 182
182 ÷ 275 = 0.6618181818181819
0.6618181818181819 x 100 = 66.18%