-65.49% is the change from 510 to 176
Calculation steps:
[( 176 - 510 ) ÷ 510] x 100 = -65.49%
Formula
Percentage change = [(176 - 510) / 510] x 100
Subtract the new number by the original number
176 - 510 = -334
-334 ÷ 510 = -0.6549019607843137
-0.6549019607843137 x 100 = -65.49%