-66.38% is the change from 937 to 315
Calculation steps:
[( 315 - 937 ) ÷ 937] x 100 = -66.38%
Formula
Percentage change = [(315 - 937) / 937] x 100
Subtract the new number by the original number
315 - 937 = -622
-622 ÷ 937 = -0.663820704375667
-0.663820704375667 x 100 = -66.38%