-68.24% is the change from 510 to 162
Calculation steps:
[( 162 - 510 ) ÷ 510] x 100 = -68.24%
Formula
Percentage change = [(162 - 510) / 510] x 100
Subtract the new number by the original number
162 - 510 = -348
-348 ÷ 510 = -0.6823529411764706
-0.6823529411764706 x 100 = -68.24%