-62.72% is the change from 507 to 189
Calculation steps:
[( 189 - 507 ) ÷ 507] x 100 = -62.72%
Formula
Percentage change = [(189 - 507) / 507] x 100
Subtract the new number by the original number
189 - 507 = -318
-318 ÷ 507 = -0.6272189349112426
-0.6272189349112426 x 100 = -62.72%