2.27% is the change from 880 to 900
Calculation steps:
[( 900 - 880 ) ÷ 880] x 100 = 2.27%
Formula
Percentage change = [(900 - 880) / 880] x 100
Subtract the new number by the original number
900 - 880 = 20
20 ÷ 880 = 0.022727272727272728
0.022727272727272728 x 100 = 2.27%