-75.68% is the change from 185 to 45
Calculation steps:
[( 45 - 185 ) ÷ 185] x 100 = -75.68%
Formula
Percentage change = [(45 - 185) / 185] x 100
Subtract the new number by the original number
45 - 185 = -140
-140 ÷ 185 = -0.7567567567567568
-0.7567567567567568 x 100 = -75.68%