-73.12% is the change from 186 to 50
Calculation steps:
[( 50 - 186 ) ÷ 186] x 100 = -73.12%
Formula
Percentage change = [(50 - 186) / 186] x 100
Subtract the new number by the original number
50 - 186 = -136
-136 ÷ 186 = -0.7311827956989247
-0.7311827956989247 x 100 = -73.12%