84.11% is the change from 258 to 475
Calculation steps:
[( 475 - 258 ) ÷ 258] x 100 = 84.11%
Formula
Percentage change = [(475 - 258) / 258] x 100
Subtract the new number by the original number
475 - 258 = 217
217 ÷ 258 = 0.8410852713178295
0.8410852713178295 x 100 = 84.11%