198.84% is the change from 258 to 771
Calculation steps:
[( 771 - 258 ) ÷ 258] x 100 = 198.84%
Formula
Percentage change = [(771 - 258) / 258] x 100
Subtract the new number by the original number
771 - 258 = 513
513 ÷ 258 = 1.9883720930232558
1.9883720930232558 x 100 = 198.84%