-85.63% is the change from 348 to 50
Calculation steps:
[( 50 - 348 ) ÷ 348] x 100 = -85.63%
Formula
Percentage change = [(50 - 348) / 348] x 100
Subtract the new number by the original number
50 - 348 = -298
-298 ÷ 348 = -0.8563218390804598
-0.8563218390804598 x 100 = -85.63%