-37.07% is the change from 321 to 202
Calculation steps:
[( 202 - 321 ) ÷ 321] x 100 = -37.07%
Formula
Percentage change = [(202 - 321) / 321] x 100
Subtract the new number by the original number
202 - 321 = -119
-119 ÷ 321 = -0.3707165109034268
-0.3707165109034268 x 100 = -37.07%