Over the past 10 years, Warren Buffett returned 182.5% compared to 252.4% for the S&P 500 — underperformed the S&P 500 by 70.0%.
16.5%
S&P 500: 18.7%
47.5%
S&P 500: 75.3%
49.6%
S&P 500: 70.9%
182.5%
S&P 500: 252.4%