-50.52% is the change from 479 to 237
Calculation steps:
[( 237 - 479 ) ÷ 479] x 100 = -50.52%
Formula
Percentage change = [(237 - 479) / 479] x 100
Subtract the new number by the original number
237 - 479 = -242
-242 ÷ 479 = -0.5052192066805845
-0.5052192066805845 x 100 = -50.52%