-30.81% is the change from 370 to 256
Calculation steps:
[( 256 - 370 ) ÷ 370] x 100 = -30.81%
Formula
Percentage change = [(256 - 370) / 370] x 100
Subtract the new number by the original number
256 - 370 = -114
-114 ÷ 370 = -0.3081081081081081
-0.3081081081081081 x 100 = -30.81%