-68.44% is the change from 507 to 160
Calculation steps:
[( 160 - 507 ) ÷ 507] x 100 = -68.44%
Formula
Percentage change = [(160 - 507) / 507] x 100
Subtract the new number by the original number
160 - 507 = -347
-347 ÷ 507 = -0.6844181459566075
-0.6844181459566075 x 100 = -68.44%