-37.53% is the change from 866 to 541
Calculation steps:
[( 541 - 866 ) ÷ 866] x 100 = -37.53%
Formula
Percentage change = [(541 - 866) / 866] x 100
Subtract the new number by the original number
541 - 866 = -325
-325 ÷ 866 = -0.37528868360277134
-0.37528868360277134 x 100 = -37.53%