-58.57% is the change from 321 to 133
Calculation steps:
[( 133 - 321 ) ÷ 321] x 100 = -58.57%
Formula
Percentage change = [(133 - 321) / 321] x 100
Subtract the new number by the original number
133 - 321 = -188
-188 ÷ 321 = -0.5856697819314641
-0.5856697819314641 x 100 = -58.57%