-53.33% is the change from 675 to 315
Calculation steps:
[( 315 - 675 ) ÷ 675] x 100 = -53.33%
Formula
Percentage change = [(315 - 675) / 675] x 100
Subtract the new number by the original number
315 - 675 = -360
-360 ÷ 675 = -0.5333333333333333
-0.5333333333333333 x 100 = -53.33%