-52.66% is the change from 319 to 151
Calculation steps:
[( 151 - 319 ) ÷ 319] x 100 = -52.66%
Formula
Percentage change = [(151 - 319) / 319] x 100
Subtract the new number by the original number
151 - 319 = -168
-168 ÷ 319 = -0.5266457680250783
-0.5266457680250783 x 100 = -52.66%