-77.79% is the change from 968 to 215
Calculation steps:
[( 215 - 968 ) ÷ 968] x 100 = -77.79%
Formula
Percentage change = [(215 - 968) / 968] x 100
Subtract the new number by the original number
215 - 968 = -753
-753 ÷ 968 = -0.7778925619834711
-0.7778925619834711 x 100 = -77.79%