-66.06% is the change from 545 to 185
Calculation steps:
[( 185 - 545 ) ÷ 545] x 100 = -66.06%
Formula
Percentage change = [(185 - 545) / 545] x 100
Subtract the new number by the original number
185 - 545 = -360
-360 ÷ 545 = -0.6605504587155964
-0.6605504587155964 x 100 = -66.06%