-40.65% is the change from 433 to 257
Calculation steps:
[( 257 - 433 ) ÷ 433] x 100 = -40.65%
Formula
Percentage change = [(257 - 433) / 433] x 100
Subtract the new number by the original number
257 - 433 = -176
-176 ÷ 433 = -0.4064665127020785
-0.4064665127020785 x 100 = -40.65%