5.4% is the change from 870 to 917
Calculation steps:
[( 917 - 870 ) ÷ 870] x 100 = 5.4%
Formula
Percentage change = [(917 - 870) / 870] x 100
Subtract the new number by the original number
917 - 870 = 47
47 ÷ 870 = 0.054022988505747126
0.054022988505747126 x 100 = 5.4%