-71.34% is the change from 321 to 92
Calculation steps:
[( 92 - 321 ) ÷ 321] x 100 = -71.34%
Formula
Percentage change = [(92 - 321) / 321] x 100
Subtract the new number by the original number
92 - 321 = -229
-229 ÷ 321 = -0.7133956386292835
-0.7133956386292835 x 100 = -71.34%