-70.45% is the change from 538 to 159
Calculation steps:
[( 159 - 538 ) ÷ 538] x 100 = -70.45%
Formula
Percentage change = [(159 - 538) / 538] x 100
Subtract the new number by the original number
159 - 538 = -379
-379 ÷ 538 = -0.7044609665427509
-0.7044609665427509 x 100 = -70.45%