Write each percent increase or decrease as a percentage of the initial amount. 3a. This year, there was 40% more snow than last year. 3b. This year, there were 25% fewer sunny days than last year. 3c. Compared to last month, there was a 50% increase in the number of houses sold this month. 3d. The runner's time to complete this marathon was 10% less than the time to complete the last marathon.