-41.42% is the change from 507 to 297
Calculation steps:
[( 297 - 507 ) ÷ 507] x 100 = -41.42%
Formula
Percentage change = [(297 - 507) / 507] x 100
Subtract the new number by the original number
297 - 507 = -210
-210 ÷ 507 = -0.41420118343195267
-0.41420118343195267 x 100 = -41.42%