222.
Original: 236
New: 223
236 > 223 - decrease
236 - 223 = 13
13/236 ≈ 0.05508 = 0.05508 · 100% = 5.508% ≈ 5.5%
Answer: Decrease by 5.5%.
223.
Original: 276
NEW: 296
276 < 296 - increase
296 - 276 = 20
20/276 ≈ 0.072463 = 0.072463 · 100% = 7.2463% ≈ 7.2%
Answer: Increase by 7.2%.