-66.06% is the change from 928 to 315
Calculation steps:
[( 315 - 928 ) ÷ 928] x 100 = -66.06%
Formula
Percentage change = [(315 - 928) / 928] x 100
Subtract the new number by the original number
315 - 928 = -613
-613 ÷ 928 = -0.6605603448275862
-0.6605603448275862 x 100 = -66.06%