-30.25% is the change from 866 to 604
Calculation steps:
[( 604 - 866 ) ÷ 866] x 100 = -30.25%
Formula
Percentage change = [(604 - 866) / 866] x 100
Subtract the new number by the original number
604 - 866 = -262
-262 ÷ 866 = -0.302540415704388
-0.302540415704388 x 100 = -30.25%