-15.86% is the change from 353 to 297
Calculation steps:
[( 297 - 353 ) ÷ 353] x 100 = -15.86%
Formula
Percentage change = [(297 - 353) / 353] x 100
Subtract the new number by the original number
297 - 353 = -56
-56 ÷ 353 = -0.15864022662889518
-0.15864022662889518 x 100 = -15.86%