-74.97% is the change from 867 to 217
Calculation steps:
[( 217 - 867 ) ÷ 867] x 100 = -74.97%
Formula
Percentage change = [(217 - 867) / 867] x 100
Subtract the new number by the original number
217 - 867 = -650
-650 ÷ 867 = -0.7497116493656286
-0.7497116493656286 x 100 = -74.97%