-21.51% is the change from 423 to 332
Calculation steps:
[( 332 - 423 ) ÷ 423] x 100 = -21.51%
Formula
Percentage change = [(332 - 423) / 423] x 100
Subtract the new number by the original number
332 - 423 = -91
-91 ÷ 423 = -0.21513002364066194
-0.21513002364066194 x 100 = -21.51%