-64.73% is the change from 893 to 315
Calculation steps:
[( 315 - 893 ) ÷ 893] x 100 = -64.73%
Formula
Percentage change = [(315 - 893) / 893] x 100
Subtract the new number by the original number
315 - 893 = -578
-578 ÷ 893 = -0.6472564389697648
-0.6472564389697648 x 100 = -64.73%