-16.92% is the change from 325 to 270
Calculation steps:
[( 270 - 325 ) ÷ 325] x 100 = -16.92%
Formula
Percentage change = [(270 - 325) / 325] x 100
Subtract the new number by the original number
270 - 325 = -55
-55 ÷ 325 = -0.16923076923076924
-0.16923076923076924 x 100 = -16.92%