-65.74% is the change from 540 to 185
Calculation steps:
[( 185 - 540 ) ÷ 540] x 100 = -65.74%
Formula
Percentage change = [(185 - 540) / 540] x 100
Subtract the new number by the original number
185 - 540 = -355
-355 ÷ 540 = -0.6574074074074074
-0.6574074074074074 x 100 = -65.74%