The percent of change -25%
560 decreased by 90 percent = 56
90 /120 x 100 = 75%This means that 90 is 755 of 120, so...100% - 75% = 25% change
90-75 = 15 15/90 = 1/6 1/6 = 16.7% So the % change is a reduction of 16.7%
It is: 90-4.5 = 85.5
90/120 x 100 = 75Therefore, 90 is 120 percent of 75.
2780 decreased by 10% = 90% of 2780 = 2780*90/100 = 2502