-67.06% is the change from 507 to 167
Calculation steps:
[( 167 - 507 ) ÷ 507] x 100 = -67.06%
Formula
Percentage change = [(167 - 507) / 507] x 100
Subtract the new number by the original number
167 - 507 = -340
-340 ÷ 507 = -0.6706114398422091
-0.6706114398422091 x 100 = -67.06%