-2.55% is the change from 157 to 153
Calculation steps:
[( 153 - 157 ) ÷ 157] x 100 = -2.55%
Formula
Percentage change = [(153 - 157) / 157] x 100
Subtract the new number by the original number
153 - 157 = -4
-4 ÷ 157 = -0.025477707006369428
-0.025477707006369428 x 100 = -2.55%