-78.21% is the change from 996 to 217
Calculation steps:
[( 217 - 996 ) ÷ 996] x 100 = -78.21%
Formula
Percentage change = [(217 - 996) / 996] x 100
Subtract the new number by the original number
217 - 996 = -779
-779 ÷ 996 = -0.7821285140562249
-0.7821285140562249 x 100 = -78.21%