2920 equals 30% of What
In the form of an equation, the question translates to this:
2920 = 30% * X
Remember that "percent" means "per hundred", i.e 30% = 30/100 = 0.3
2920 = 0.3 * X Divide both sides by 0.3:
2920/0.3 = X
X = 9766.66(6) ≈ 10 000