-26.45% is the change from 847 to 623
Calculation steps:
[( 623 - 847 ) ÷ 847] x 100 = -26.45%
Formula
Percentage change = [(623 - 847) / 847] x 100
Subtract the new number by the original number
623 - 847 = -224
-224 ÷ 847 = -0.2644628099173554
-0.2644628099173554 x 100 = -26.45%