-84.9% is the change from 351 to 53
Calculation steps:
[( 53 - 351 ) ÷ 351] x 100 = -84.9%
Formula
Percentage change = [(53 - 351) / 351] x 100
Subtract the new number by the original number
53 - 351 = -298
-298 ÷ 351 = -0.8490028490028491
-0.8490028490028491 x 100 = -84.9%