213.28% is the change from 256 to 802
Calculation steps:
[( 802 - 256 ) ÷ 256] x 100 = 213.28%
Formula
Percentage change = [(802 - 256) / 256] x 100
Subtract the new number by the original number
802 - 256 = 546
546 ÷ 256 = 2.1328125
2.1328125 x 100 = 213.28%