857.14% is the change from 28 to 268
Calculation steps:
[( 268 - 28 ) ÷ 28] x 100 = 857.14%
Formula
Percentage change = [(268 - 28) / 28] x 100
Subtract the new number by the original number
268 - 28 = 240
240 ÷ 28 = 8.571428571428571
8.571428571428571 x 100 = 857.14%