-70.15% is the change from 727 to 217
Calculation steps:
[( 217 - 727 ) ÷ 727] x 100 = -70.15%
Formula
Percentage change = [(217 - 727) / 727] x 100
Subtract the new number by the original number
217 - 727 = -510
-510 ÷ 727 = -0.7015130674002751
-0.7015130674002751 x 100 = -70.15%