-83.69% is the change from 742 to 121
Calculation steps:
[( 121 - 742 ) ÷ 742] x 100 = -83.69%
Formula
Percentage change = [(121 - 742) / 742] x 100
Subtract the new number by the original number
121 - 742 = -621
-621 ÷ 742 = -0.8369272237196765
-0.8369272237196765 x 100 = -83.69%