-33.7% is the change from 816 to 541
Calculation steps:
[( 541 - 816 ) ÷ 816] x 100 = -33.7%
Formula
Percentage change = [(541 - 816) / 816] x 100
Subtract the new number by the original number
541 - 816 = -275
-275 ÷ 816 = -0.33700980392156865
-0.33700980392156865 x 100 = -33.7%