-70.15% is the change from 717 to 214
Calculation steps:
[( 214 - 717 ) ÷ 717] x 100 = -70.15%
Formula
Percentage change = [(214 - 717) / 717] x 100
Subtract the new number by the original number
214 - 717 = -503
-503 ÷ 717 = -0.701534170153417
-0.701534170153417 x 100 = -70.15%