₦450bn around 2014 had purchasing power of roughly ₦3.06 trillion in 2026 terms (cumulative CPI inflation ~580%).
₦650bn today is far lower in real terms.
Dollar values (official averages):
₦450bn in 2020 ≈ $1.25bn
₦650bn in 2025 ≈ $422m
At 2014 rates ₦450bn was ~$2.88bn; today ₦650bn is ~$476m.