5.02% is the change from 877 to 921
Calculation steps:
[( 921 - 877 ) ÷ 877] x 100 = 5.02%
Formula
Percentage change = [(921 - 877) / 877] x 100
Subtract the new number by the original number
921 - 877 = 44
44 ÷ 877 = 0.05017103762827822
0.05017103762827822 x 100 = 5.02%