-76.78% is the change from 926 to 215
Calculation steps:
[( 215 - 926 ) ÷ 926] x 100 = -76.78%
Formula
Percentage change = [(215 - 926) / 926] x 100
Subtract the new number by the original number
215 - 926 = -711
-711 ÷ 926 = -0.7678185745140389
-0.7678185745140389 x 100 = -76.78%