-71.06% is the change from 743 to 215
Calculation steps:
[( 215 - 743 ) ÷ 743] x 100 = -71.06%
Formula
Percentage change = [(215 - 743) / 743] x 100
Subtract the new number by the original number
215 - 743 = -528
-528 ÷ 743 = -0.7106325706594886
-0.7106325706594886 x 100 = -71.06%