6.72% is the change from 863 to 921
Calculation steps:
[( 921 - 863 ) ÷ 863] x 100 = 6.72%
Formula
Percentage change = [(921 - 863) / 863] x 100
Subtract the new number by the original number
921 - 863 = 58
58 ÷ 863 = 0.06720741599073002
0.06720741599073002 x 100 = 6.72%