-67.91% is the change from 321 to 103
Calculation steps:
[( 103 - 321 ) ÷ 321] x 100 = -67.91%
Formula
Percentage change = [(103 - 321) / 321] x 100
Subtract the new number by the original number
103 - 321 = -218
-218 ÷ 321 = -0.6791277258566978
-0.6791277258566978 x 100 = -67.91%