-79.63% is the change from 913 to 186
Calculation steps:
[( 186 - 913 ) ÷ 913] x 100 = -79.63%
Formula
Percentage change = [(186 - 913) / 913] x 100
Subtract the new number by the original number
186 - 913 = -727
-727 ÷ 913 = -0.7962760131434831
-0.7962760131434831 x 100 = -79.63%