-56.05% is the change from 703 to 309
Calculation steps:
[( 309 - 703 ) ÷ 703] x 100 = -56.05%
Formula
Percentage change = [(309 - 703) / 703] x 100
Subtract the new number by the original number
309 - 703 = -394
-394 ÷ 703 = -0.5604551920341394
-0.5604551920341394 x 100 = -56.05%