-55.29% is the change from 331 to 148
Calculation steps:
[( 148 - 331 ) ÷ 331] x 100 = -55.29%
Formula
Percentage change = [(148 - 331) / 331] x 100
Subtract the new number by the original number
148 - 331 = -183
-183 ÷ 331 = -0.552870090634441
-0.552870090634441 x 100 = -55.29%