-67.24% is the change from 519 to 170
Calculation steps:
[( 170 - 519 ) ÷ 519] x 100 = -67.24%
Formula
Percentage change = [(170 - 519) / 519] x 100
Subtract the new number by the original number
170 - 519 = -349
-349 ÷ 519 = -0.6724470134874759
-0.6724470134874759 x 100 = -67.24%