-25.19% is the change from 397 to 297
Calculation steps:
[( 297 - 397 ) ÷ 397] x 100 = -25.19%
Formula
Percentage change = [(297 - 397) / 397] x 100
Subtract the new number by the original number
297 - 397 = -100
-100 ÷ 397 = -0.2518891687657431
-0.2518891687657431 x 100 = -25.19%