-36.05% is the change from 430 to 275
Calculation steps:
[( 275 - 430 ) ÷ 430] x 100 = -36.05%
Formula
Percentage change = [(275 - 430) / 430] x 100
Subtract the new number by the original number
275 - 430 = -155
-155 ÷ 430 = -0.36046511627906974
-0.36046511627906974 x 100 = -36.05%