3.38% is the change from 887 to 917
Calculation steps:
[( 917 - 887 ) ÷ 887] x 100 = 3.38%
Formula
Percentage change = [(917 - 887) / 887] x 100
Subtract the new number by the original number
917 - 887 = 30
30 ÷ 887 = 0.033821871476888386
0.033821871476888386 x 100 = 3.38%