-36.76% is the change from 321 to 203
Calculation steps:
[( 203 - 321 ) ÷ 321] x 100 = -36.76%
Formula
Percentage change = [(203 - 321) / 321] x 100
Subtract the new number by the original number
203 - 321 = -118
-118 ÷ 321 = -0.367601246105919
-0.367601246105919 x 100 = -36.76%