-45.17% is the change from 321 to 176
Calculation steps:
[( 176 - 321 ) ÷ 321] x 100 = -45.17%
Formula
Percentage change = [(176 - 321) / 321] x 100
Subtract the new number by the original number
176 - 321 = -145
-145 ÷ 321 = -0.4517133956386293
-0.4517133956386293 x 100 = -45.17%