-76.49% is the change from 923 to 217
Calculation steps:
[( 217 - 923 ) ÷ 923] x 100 = -76.49%
Formula
Percentage change = [(217 - 923) / 923] x 100
Subtract the new number by the original number
217 - 923 = -706
-706 ÷ 923 = -0.7648970747562297
-0.7648970747562297 x 100 = -76.49%