-71.01% is the change from 545 to 158
Calculation steps:
[( 158 - 545 ) ÷ 545] x 100 = -71.01%
Formula
Percentage change = [(158 - 545) / 545] x 100
Subtract the new number by the original number
158 - 545 = -387
-387 ÷ 545 = -0.710091743119266
-0.710091743119266 x 100 = -71.01%