16.38% is the change from 800 to 931
Calculation steps:
[( 931 - 800 ) ÷ 800] x 100 = 16.38%
Formula
Percentage change = [(931 - 800) / 800] x 100
Subtract the new number by the original number
931 - 800 = 131
131 ÷ 800 = 0.16375
0.16375 x 100 = 16.38%