-30.13% is the change from 926 to 647
Calculation steps:
[( 647 - 926 ) ÷ 926] x 100 = -30.13%
Formula
Percentage change = [(647 - 926) / 926] x 100
Subtract the new number by the original number
647 - 926 = -279
-279 ÷ 926 = -0.30129589632829373
-0.30129589632829373 x 100 = -30.13%