-62.65% is the change from 431 to 161
Calculation steps:
[( 161 - 431 ) ÷ 431] x 100 = -62.65%
Formula
Percentage change = [(161 - 431) / 431] x 100
Subtract the new number by the original number
161 - 431 = -270
-270 ÷ 431 = -0.6264501160092807
-0.6264501160092807 x 100 = -62.65%