-59.13% is the change from 756 to 309
Calculation steps:
[( 309 - 756 ) ÷ 756] x 100 = -59.13%
Formula
Percentage change = [(309 - 756) / 756] x 100
Subtract the new number by the original number
309 - 756 = -447
-447 ÷ 756 = -0.5912698412698413
-0.5912698412698413 x 100 = -59.13%