-85.06% is the change from 917 to 137
Calculation steps:
[( 137 - 917 ) ÷ 917] x 100 = -85.06%
Formula
Percentage change = [(137 - 917) / 917] x 100
Subtract the new number by the original number
137 - 917 = -780
-780 ÷ 917 = -0.8505997818974919
-0.8505997818974919 x 100 = -85.06%