-93.35% is the change from 647 to 43
Calculation steps:
[( 43 - 647 ) ÷ 647] x 100 = -93.35%
Formula
Percentage change = [(43 - 647) / 647] x 100
Subtract the new number by the original number
43 - 647 = -604
-604 ÷ 647 = -0.9335394126738794
-0.9335394126738794 x 100 = -93.35%