218.22% is the change from 258 to 821
Calculation steps:
[( 821 - 258 ) ÷ 258] x 100 = 218.22%
Formula
Percentage change = [(821 - 258) / 258] x 100
Subtract the new number by the original number
821 - 258 = 563
563 ÷ 258 = 2.182170542635659
2.182170542635659 x 100 = 218.22%