-70.83% is the change from 545 to 159
Calculation steps:
[( 159 - 545 ) ÷ 545] x 100 = -70.83%
Formula
Percentage change = [(159 - 545) / 545] x 100
Subtract the new number by the original number
159 - 545 = -386
-386 ÷ 545 = -0.708256880733945
-0.708256880733945 x 100 = -70.83%