-27.03% is the change from 370 to 270
Calculation steps:
[( 270 - 370 ) ÷ 370] x 100 = -27.03%
Formula
Percentage change = [(270 - 370) / 370] x 100
Subtract the new number by the original number
270 - 370 = -100
-100 ÷ 370 = -0.2702702702702703
-0.2702702702702703 x 100 = -27.03%