-1.58% is the change from 951 to 936
Calculation steps:
[( 936 - 951 ) ÷ 951] x 100 = -1.58%
Formula
Percentage change = [(936 - 951) / 951] x 100
Subtract the new number by the original number
936 - 951 = -15
-15 ÷ 951 = -0.015772870662460567
-0.015772870662460567 x 100 = -1.58%