-84.63% is the change from 514 to 79
Calculation steps:
[( 79 - 514 ) ÷ 514] x 100 = -84.63%
Formula
Percentage change = [(79 - 514) / 514] x 100
Subtract the new number by the original number
79 - 514 = -435
-435 ÷ 514 = -0.8463035019455253
-0.8463035019455253 x 100 = -84.63%