-80.21% is the change from 869 to 172
Calculation steps:
[( 172 - 869 ) ÷ 869] x 100 = -80.21%
Formula
Percentage change = [(172 - 869) / 869] x 100
Subtract the new number by the original number
172 - 869 = -697
-697 ÷ 869 = -0.8020713463751439
-0.8020713463751439 x 100 = -80.21%