-56.1% is the change from 344 to 151
Calculation steps:
[( 151 - 344 ) ÷ 344] x 100 = -56.1%
Formula
Percentage change = [(151 - 344) / 344] x 100
Subtract the new number by the original number
151 - 344 = -193
-193 ÷ 344 = -0.561046511627907
-0.561046511627907 x 100 = -56.1%