218.99% is the change from 258 to 823
Calculation steps:
[( 823 - 258 ) ÷ 258] x 100 = 218.99%
Formula
Percentage change = [(823 - 258) / 258] x 100
Subtract the new number by the original number
823 - 258 = 565
565 ÷ 258 = 2.189922480620155
2.189922480620155 x 100 = 218.99%