-63.03% is the change from 852 to 315
Calculation steps:
[( 315 - 852 ) ÷ 852] x 100 = -63.03%
Formula
Percentage change = [(315 - 852) / 852] x 100
Subtract the new number by the original number
315 - 852 = -537
-537 ÷ 852 = -0.6302816901408451
-0.6302816901408451 x 100 = -63.03%