-85.1% is the change from 913 to 136
Calculation steps:
[( 136 - 913 ) ÷ 913] x 100 = -85.1%
Formula
Percentage change = [(136 - 913) / 913] x 100
Subtract the new number by the original number
136 - 913 = -777
-777 ÷ 913 = -0.8510405257393209
-0.8510405257393209 x 100 = -85.1%