-60.74% is the change from 787 to 309
Calculation steps:
[( 309 - 787 ) ÷ 787] x 100 = -60.74%
Formula
Percentage change = [(309 - 787) / 787] x 100
Subtract the new number by the original number
309 - 787 = -478
-478 ÷ 787 = -0.6073697585768743
-0.6073697585768743 x 100 = -60.74%