-74.68% is the change from 545 to 138
Calculation steps:
[( 138 - 545 ) ÷ 545] x 100 = -74.68%
Formula
Percentage change = [(138 - 545) / 545] x 100
Subtract the new number by the original number
138 - 545 = -407
-407 ÷ 545 = -0.7467889908256881
-0.7467889908256881 x 100 = -74.68%