0.25% is the change from 800 to 802
Calculation steps:
[( 802 - 800 ) ÷ 800] x 100 = 0.25%
Formula
Percentage change = [(802 - 800) / 800] x 100
Subtract the new number by the original number
802 - 800 = 2
2 ÷ 800 = 0.0025
0.0025 x 100 = 0.25%
Example