-64.88% is the change from 897 to 315
Calculation steps:
[( 315 - 897 ) ÷ 897] x 100 = -64.88%
Formula
Percentage change = [(315 - 897) / 897] x 100
Subtract the new number by the original number
315 - 897 = -582
-582 ÷ 897 = -0.6488294314381271
-0.6488294314381271 x 100 = -64.88%