-64% is the change from 875 to 315
Calculation steps:
[( 315 - 875 ) ÷ 875] x 100 = -64%
Formula
Percentage change = [(315 - 875) / 875] x 100
Subtract the new number by the original number
315 - 875 = -560
-560 ÷ 875 = -0.64
-0.64 x 100 = -64%
Example