-47.7% is the change from 304 to 159
Calculation steps:
[( 159 - 304 ) ÷ 304] x 100 = -47.7%
Formula
Percentage change = [(159 - 304) / 304] x 100
Subtract the new number by the original number
159 - 304 = -145
-145 ÷ 304 = -0.4769736842105263
-0.4769736842105263 x 100 = -47.7%