Réponse:
208,2-153, 3÷153, 3*100=35.81%
44,2-44, 9/44, 9x100=-1.55%
325-197, 8/197, 8*100=64.30%
58,8-51, 5/51, 5*100=14, 17%
49,2-27, 9/27, 9*100=76.34%
203,2-148, 7/148, 7*100=36.65%
103,7-85, 5/85, 5*100=21,28
243,9-135, 5/135, 5*100=80%
219,8-884, 41/884, 41*100=-75.14%
Explications:
valeur arrivé- valeur de départ÷valeur départ
