-76.87% is the change from 938 to 217
Calculation steps:
[( 217 - 938 ) ÷ 938] x 100 = -76.87%
Formula
Percentage change = [(217 - 938) / 938] x 100
Subtract the new number by the original number
217 - 938 = -721
-721 ÷ 938 = -0.7686567164179104
-0.7686567164179104 x 100 = -76.87%