-74.57% is the change from 869 to 221
Calculation steps:
[( 221 - 869 ) ÷ 869] x 100 = -74.57%
Formula
Percentage change = [(221 - 869) / 869] x 100
Subtract the new number by the original number
221 - 869 = -648
-648 ÷ 869 = -0.7456846950517837
-0.7456846950517837 x 100 = -74.57%