-90.71% is the change from 140 to 13
Calculation steps:
[( 13 - 140 ) ÷ 140] x 100 = -90.71%
Formula
Percentage change = [(13 - 140) / 140] x 100
Subtract the new number by the original number
13 - 140 = -127
-127 ÷ 140 = -0.9071428571428571
-0.9071428571428571 x 100 = -90.71%