-37.35% is the change from 431 to 270
Calculation steps:
[( 270 - 431 ) ÷ 431] x 100 = -37.35%
Formula
Percentage change = [(270 - 431) / 431] x 100
Subtract the new number by the original number
270 - 431 = -161
-161 ÷ 431 = -0.37354988399071926
-0.37354988399071926 x 100 = -37.35%