-85.28% is the change from 917 to 135
Calculation steps:
[( 135 - 917 ) ÷ 917] x 100 = -85.28%
Formula
Percentage change = [(135 - 917) / 917] x 100
Subtract the new number by the original number
135 - 917 = -782
-782 ÷ 917 = -0.8527808069792803
-0.8527808069792803 x 100 = -85.28%