821.43% is the change from 28 to 258
Calculation steps:
[( 258 - 28 ) ÷ 28] x 100 = 821.43%
Formula
Percentage change = [(258 - 28) / 28] x 100
Subtract the new number by the original number
258 - 28 = 230
230 ÷ 28 = 8.214285714285714
8.214285714285714 x 100 = 821.43%