-49.79% is the change from 470 to 236
Calculation steps:
[( 236 - 470 ) ÷ 470] x 100 = -49.79%
Formula
Percentage change = [(236 - 470) / 470] x 100
Subtract the new number by the original number
236 - 470 = -234
-234 ÷ 470 = -0.4978723404255319
-0.4978723404255319 x 100 = -49.79%