18.13% is the change from 800 to 945
Calculation steps:
[( 945 - 800 ) ÷ 800] x 100 = 18.13%
Formula
Percentage change = [(945 - 800) / 800] x 100
Subtract the new number by the original number
945 - 800 = 145
145 ÷ 800 = 0.18125
0.18125 x 100 = 18.13%