11.21% is the change from 821 to 913
Calculation steps:
[( 913 - 821 ) ÷ 821] x 100 = 11.21%
Formula
Percentage change = [(913 - 821) / 821] x 100
Subtract the new number by the original number
913 - 821 = 92
92 ÷ 821 = 0.1120584652862363
0.1120584652862363 x 100 = 11.21%