-75.76% is the change from 165 to 40
Calculation steps:
[( 40 - 165 ) ÷ 165] x 100 = -75.76%
Formula
Percentage change = [(40 - 165) / 165] x 100
Subtract the new number by the original number
40 - 165 = -125
-125 ÷ 165 = -0.7575757575757576
-0.7575757575757576 x 100 = -75.76%