Respuesta :

xclusiveprxncess
The percent decrease of this question is 39.8%
VenusRetrograde
  128       100%
_____ = _____
   77          x%

Cross multiply
128x=7700
divide both sides by 128
x=60.15625%

100%-60.15625%=39.84375% decrease
round to the nearest whole number....
40% decrease

Answer=40% decrease