-70.63% is the change from 538 to 158
Calculation steps:
[( 158 - 538 ) ÷ 538] x 100 = -70.63%
Formula
Percentage change = [(158 - 538) / 538] x 100
Subtract the new number by the original number
158 - 538 = -380
-380 ÷ 538 = -0.7063197026022305
-0.7063197026022305 x 100 = -70.63%