-71.99% is the change from 764 to 214
Calculation steps:
[( 214 - 764 ) ÷ 764] x 100 = -71.99%
Formula
Percentage change = [(214 - 764) / 764] x 100
Subtract the new number by the original number
214 - 764 = -550
-550 ÷ 764 = -0.7198952879581152
-0.7198952879581152 x 100 = -71.99%