-1.94% is the change from 155 to 152
Calculation steps:
[( 152 - 155 ) ÷ 155] x 100 = -1.94%
Formula
Percentage change = [(152 - 155) / 155] x 100
Subtract the new number by the original number
152 - 155 = -3
-3 ÷ 155 = -0.01935483870967742
-0.01935483870967742 x 100 = -1.94%