2.61% is the change from 921 to 945
Calculation steps:
[( 945 - 921 ) ÷ 921] x 100 = 2.61%
Formula
Percentage change = [(945 - 921) / 921] x 100
Subtract the new number by the original number
945 - 921 = 24
24 ÷ 921 = 0.026058631921824105
0.026058631921824105 x 100 = 2.61%