-10.26% is the change from 351 to 315
Calculation steps:
[( 315 - 351 ) ÷ 351] x 100 = -10.26%
Formula
Percentage change = [(315 - 351) / 351] x 100
Subtract the new number by the original number
315 - 351 = -36
-36 ÷ 351 = -0.10256410256410256
-0.10256410256410256 x 100 = -10.26%