-25.64% is the change from 507 to 377
Calculation steps:
[( 377 - 507 ) ÷ 507] x 100 = -25.64%
Formula
Percentage change = [(377 - 507) / 507] x 100
Subtract the new number by the original number
377 - 507 = -130
-130 ÷ 507 = -0.2564102564102564
-0.2564102564102564 x 100 = -25.64%