-71.02% is the change from 742 to 215
Calculation steps:
[( 215 - 742 ) ÷ 742] x 100 = -71.02%
Formula
Percentage change = [(215 - 742) / 742] x 100
Subtract the new number by the original number
215 - 742 = -527
-527 ÷ 742 = -0.7102425876010782
-0.7102425876010782 x 100 = -71.02%