-14.12% is the change from 949 to 815
Calculation steps:
[( 815 - 949 ) ÷ 949] x 100 = -14.12%
Formula
Percentage change = [(815 - 949) / 949] x 100
Subtract the new number by the original number
815 - 949 = -134
-134 ÷ 949 = -0.14120126448893572
-0.14120126448893572 x 100 = -14.12%