-56.15% is the change from 707 to 310
Calculation steps:
[( 310 - 707 ) ÷ 707] x 100 = -56.15%
Formula
Percentage change = [(310 - 707) / 707] x 100
Subtract the new number by the original number
310 - 707 = -397
-397 ÷ 707 = -0.5615275813295615
-0.5615275813295615 x 100 = -56.15%