-12.4% is the change from 363 to 318
Calculation steps:
[( 318 - 363 ) ÷ 363] x 100 = -12.4%
Formula
Percentage change = [(318 - 363) / 363] x 100
Subtract the new number by the original number
318 - 363 = -45
-45 ÷ 363 = -0.12396694214876033
-0.12396694214876033 x 100 = -12.4%