-74.42% is the change from 606 to 155
Calculation steps:
[( 155 - 606 ) ÷ 606] x 100 = -74.42%
Formula
Percentage change = [(155 - 606) / 606] x 100
Subtract the new number by the original number
155 - 606 = -451
-451 ÷ 606 = -0.7442244224422442
-0.7442244224422442 x 100 = -74.42%