8.55% is the change from 819 to 889
Calculation steps:
[( 889 - 819 ) ÷ 819] x 100 = 8.55%
Formula
Percentage change = [(889 - 819) / 819] x 100
Subtract the new number by the original number
889 - 819 = 70
70 ÷ 819 = 0.08547008547008547
0.08547008547008547 x 100 = 8.55%