-70.6% is the change from 738 to 217
Calculation steps:
[( 217 - 738 ) ÷ 738] x 100 = -70.6%
Formula
Percentage change = [(217 - 738) / 738] x 100
Subtract the new number by the original number
217 - 738 = -521
-521 ÷ 738 = -0.7059620596205962
-0.7059620596205962 x 100 = -70.6%