-32.74% is the change from 507 to 341
Calculation steps:
[( 341 - 507 ) ÷ 507] x 100 = -32.74%
Formula
Percentage change = [(341 - 507) / 507] x 100
Subtract the new number by the original number
341 - 507 = -166
-166 ÷ 507 = -0.32741617357001973
-0.32741617357001973 x 100 = -32.74%