-19.57% is the change from 322 to 259
Calculation steps:
[( 259 - 322 ) ÷ 322] x 100 = -19.57%
Formula
Percentage change = [(259 - 322) / 322] x 100
Subtract the new number by the original number
259 - 322 = -63
-63 ÷ 322 = -0.1956521739130435
-0.1956521739130435 x 100 = -19.57%