-18.54% is the change from 383 to 312
Calculation steps:
[( 312 - 383 ) ÷ 383] x 100 = -18.54%
Formula
Percentage change = [(312 - 383) / 383] x 100
Subtract the new number by the original number
312 - 383 = -71
-71 ÷ 383 = -0.185378590078329
-0.185378590078329 x 100 = -18.54%