-45.71% is the change from 641 to 348
Calculation steps:
[( 348 - 641 ) ÷ 641] x 100 = -45.71%
Formula
Percentage change = [(348 - 641) / 641] x 100
Subtract the new number by the original number
348 - 641 = -293
-293 ÷ 641 = -0.45709828393135726
-0.45709828393135726 x 100 = -45.71%