-85.71% is the change from 917 to 131
Calculation steps:
[( 131 - 917 ) ÷ 917] x 100 = -85.71%
Formula
Percentage change = [(131 - 917) / 917] x 100
Subtract the new number by the original number
131 - 917 = -786
-786 ÷ 917 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%