★★★ Percent calculator example ★★★
① (15%) of (60) is [9].
② 20 is 50 (40%)].
③ 30/50 is the same as [60%)].
④ The decrease of 40 (15%) is [34].
⑤ The increase of 40 (15%) is [46].
You can calculate simple percentages (9 for 15 percent of 60) and percent increase / decrease (5 for 5 percent reduction at 60).