-59.64% is the change from 394 to 159
Calculation steps:
[( 159 - 394 ) ÷ 394] x 100 = -59.64%
Formula
Percentage change = [(159 - 394) / 394] x 100
Subtract the new number by the original number
159 - 394 = -235
-235 ÷ 394 = -0.5964467005076142
-0.5964467005076142 x 100 = -59.64%