-57.02% is the change from 712 to 306
Calculation steps:
[( 306 - 712 ) ÷ 712] x 100 = -57.02%
Formula
Percentage change = [(306 - 712) / 712] x 100
Subtract the new number by the original number
306 - 712 = -406
-406 ÷ 712 = -0.5702247191011236
-0.5702247191011236 x 100 = -57.02%