-64.04% is the change from 431 to 155
Calculation steps:
[( 155 - 431 ) ÷ 431] x 100 = -64.04%
Formula
Percentage change = [(155 - 431) / 431] x 100
Subtract the new number by the original number
155 - 431 = -276
-276 ÷ 431 = -0.6403712296983759
-0.6403712296983759 x 100 = -64.04%