-27.42% is the change from 186 to 135
Calculation steps:
[( 135 - 186 ) ÷ 186] x 100 = -27.42%
Formula
Percentage change = [(135 - 186) / 186] x 100
Subtract the new number by the original number
135 - 186 = -51
-51 ÷ 186 = -0.27419354838709675
-0.27419354838709675 x 100 = -27.42%