-93.22% is the change from 634 to 43
Calculation steps:
[( 43 - 634 ) ÷ 634] x 100 = -93.22%
Formula
Percentage change = [(43 - 634) / 634] x 100
Subtract the new number by the original number
43 - 634 = -591
-591 ÷ 634 = -0.9321766561514195
-0.9321766561514195 x 100 = -93.22%