-14.51% is the change from 324 to 277
Calculation steps:
[( 277 - 324 ) ÷ 324] x 100 = -14.51%
Formula
Percentage change = [(277 - 324) / 324] x 100
Subtract the new number by the original number
277 - 324 = -47
-47 ÷ 324 = -0.14506172839506173
-0.14506172839506173 x 100 = -14.51%