20.5% is the change from 800 to 964
Calculation steps:
[( 964 - 800 ) ÷ 800] x 100 = 20.5%
Formula
Percentage change = [(964 - 800) / 800] x 100
Subtract the new number by the original number
964 - 800 = 164
164 ÷ 800 = 0.205
0.205 x 100 = 20.5%
Example