-55.63% is the change from 710 to 315
Calculation steps:
[( 315 - 710 ) ÷ 710] x 100 = -55.63%
Formula
Percentage change = [(315 - 710) / 710] x 100
Subtract the new number by the original number
315 - 710 = -395
-395 ÷ 710 = -0.5563380281690141
-0.5563380281690141 x 100 = -55.63%