-14.3% is the change from 951 to 815
Calculation steps:
[( 815 - 951 ) ÷ 951] x 100 = -14.3%
Formula
Percentage change = [(815 - 951) / 951] x 100
Subtract the new number by the original number
815 - 951 = -136
-136 ÷ 951 = -0.14300736067297581
-0.14300736067297581 x 100 = -14.3%