-50.73% is the change from 479 to 236
Calculation steps:
[( 236 - 479 ) ÷ 479] x 100 = -50.73%
Formula
Percentage change = [(236 - 479) / 479] x 100
Subtract the new number by the original number
236 - 479 = -243
-243 ÷ 479 = -0.5073068893528184
-0.5073068893528184 x 100 = -50.73%