Let's consider that 23.5 is 100% of rainfall.
23.5 ..... 100 %
21.2 ..... x %
Calculate x:
, which is around 90.2%.
The percent of decrease is 100 - 90.2 = 9.8 %.
23.5 ..... 100 %
21.2 ..... x %
Calculate x:
The percent of decrease is 100 - 90.2 = 9.8 %.