1.66% is the change from 906 to 921
Calculation steps:
[( 921 - 906 ) ÷ 906] x 100 = 1.66%
Formula
Percentage change = [(921 - 906) / 906] x 100
Subtract the new number by the original number
921 - 906 = 15
15 ÷ 906 = 0.016556291390728478
0.016556291390728478 x 100 = 1.66%