6.5% is the change from 800 to 852
Calculation steps:
[( 852 - 800 ) ÷ 800] x 100 = 6.5%
Formula
Percentage change = [(852 - 800) / 800] x 100
Subtract the new number by the original number
852 - 800 = 52
52 ÷ 800 = 0.065
0.065 x 100 = 6.5%
Example