-85.26% is the change from 346 to 51
Calculation steps:
[( 51 - 346 ) ÷ 346] x 100 = -85.26%
Formula
Percentage change = [(51 - 346) / 346] x 100
Subtract the new number by the original number
51 - 346 = -295
-295 ÷ 346 = -0.8526011560693642
-0.8526011560693642 x 100 = -85.26%