213.57% is the change from 258 to 809
Calculation steps:
[( 809 - 258 ) ÷ 258] x 100 = 213.57%
Formula
Percentage change = [(809 - 258) / 258] x 100
Subtract the new number by the original number
809 - 258 = 551
551 ÷ 258 = 2.135658914728682
2.135658914728682 x 100 = 213.57%