-19.81% is the change from 540 to 433
Calculation steps:
[( 433 - 540 ) ÷ 540] x 100 = -19.81%
Formula
Percentage change = [(433 - 540) / 540] x 100
Subtract the new number by the original number
433 - 540 = -107
-107 ÷ 540 = -0.19814814814814816
-0.19814814814814816 x 100 = -19.81%