-69.68% is the change from 709 to 215
Calculation steps:
[( 215 - 709 ) ÷ 709] x 100 = -69.68%
Formula
Percentage change = [(215 - 709) / 709] x 100
Subtract the new number by the original number
215 - 709 = -494
-494 ÷ 709 = -0.6967559943582511
-0.6967559943582511 x 100 = -69.68%