-50.57% is the change from 706 to 349
Calculation steps:
[( 349 - 706 ) ÷ 706] x 100 = -50.57%
Formula
Percentage change = [(349 - 706) / 706] x 100
Subtract the new number by the original number
349 - 706 = -357
-357 ÷ 706 = -0.5056657223796034
-0.5056657223796034 x 100 = -50.57%