-84.93% is the change from 345 to 52
Calculation steps:
[( 52 - 345 ) ÷ 345] x 100 = -84.93%
Formula
Percentage change = [(52 - 345) / 345] x 100
Subtract the new number by the original number
52 - 345 = -293
-293 ÷ 345 = -0.8492753623188406
-0.8492753623188406 x 100 = -84.93%