-75.81% is the change from 186 to 45
Calculation steps:
[( 45 - 186 ) ÷ 186] x 100 = -75.81%
Formula
Percentage change = [(45 - 186) / 186] x 100
Subtract the new number by the original number
45 - 186 = -141
-141 ÷ 186 = -0.7580645161290323
-0.7580645161290323 x 100 = -75.81%