-45.99% is the change from 287 to 155
Calculation steps:
[( 155 - 287 ) ÷ 287] x 100 = -45.99%
Formula
Percentage change = [(155 - 287) / 287] x 100
Subtract the new number by the original number
155 - 287 = -132
-132 ÷ 287 = -0.45993031358885017
-0.45993031358885017 x 100 = -45.99%