-18.32% is the change from 382 to 312
Calculation steps:
[( 312 - 382 ) ÷ 382] x 100 = -18.32%
Formula
Percentage change = [(312 - 382) / 382] x 100
Subtract the new number by the original number
312 - 382 = -70
-70 ÷ 382 = -0.18324607329842932
-0.18324607329842932 x 100 = -18.32%