-30.05% is the change from 386 to 270
Calculation steps:
[( 270 - 386 ) ÷ 386] x 100 = -30.05%
Formula
Percentage change = [(270 - 386) / 386] x 100
Subtract the new number by the original number
270 - 386 = -116
-116 ÷ 386 = -0.3005181347150259
-0.3005181347150259 x 100 = -30.05%