0.88% is the change from 913 to 921
Calculation steps:
[( 921 - 913 ) ÷ 913] x 100 = 0.88%
Formula
Percentage change = [(921 - 913) / 913] x 100
Subtract the new number by the original number
921 - 913 = 8
8 ÷ 913 = 0.008762322015334063
0.008762322015334063 x 100 = 0.88%