-57.1% is the change from 345 to 148
Calculation steps:
[( 148 - 345 ) ÷ 345] x 100 = -57.1%
Formula
Percentage change = [(148 - 345) / 345] x 100
Subtract the new number by the original number
148 - 345 = -197
-197 ÷ 345 = -0.5710144927536231
-0.5710144927536231 x 100 = -57.1%