0.87% is the change from 915 to 923
Calculation steps:
[( 923 - 915 ) ÷ 915] x 100 = 0.87%
Formula
Percentage change = [(923 - 915) / 915] x 100
Subtract the new number by the original number
923 - 915 = 8
8 ÷ 915 = 0.008743169398907104
0.008743169398907104 x 100 = 0.87%