-56.5% is the change from 331 to 144
Calculation steps:
[( 144 - 331 ) ÷ 331] x 100 = -56.5%
Formula
Percentage change = [(144 - 331) / 331] x 100
Subtract the new number by the original number
144 - 331 = -187
-187 ÷ 331 = -0.5649546827794562
-0.5649546827794562 x 100 = -56.5%