-0.11% is the change from 915 to 914
Calculation steps:
[( 914 - 915 ) ÷ 915] x 100 = -0.11%
Formula
Percentage change = [(914 - 915) / 915] x 100
Subtract the new number by the original number
914 - 915 = -1
-1 ÷ 915 = -0.001092896174863388
-0.001092896174863388 x 100 = -0.11%