-10.89% is the change from 606 to 540
Calculation steps:
[( 540 - 606 ) ÷ 606] x 100 = -10.89%
Formula
Percentage change = [(540 - 606) / 606] x 100
Subtract the new number by the original number
540 - 606 = -66
-66 ÷ 606 = -0.10891089108910891
-0.10891089108910891 x 100 = -10.89%