0.87% is the change from 921 to 929
Calculation steps:
[( 929 - 921 ) ÷ 921] x 100 = 0.87%
Formula
Percentage change = [(929 - 921) / 921] x 100
Subtract the new number by the original number
929 - 921 = 8
8 ÷ 921 = 0.008686210640608035
0.008686210640608035 x 100 = 0.87%