-94.81% is the change from 135 to 7
Calculation steps:
[( 7 - 135 ) ÷ 135] x 100 = -94.81%
Formula
Percentage change = [(7 - 135) / 135] x 100
Subtract the new number by the original number
7 - 135 = -128
-128 ÷ 135 = -0.9481481481481482
-0.9481481481481482 x 100 = -94.81%