-77.12% is the change from 507 to 116
Calculation steps:
[( 116 - 507 ) ÷ 507] x 100 = -77.12%
Formula
Percentage change = [(116 - 507) / 507] x 100
Subtract the new number by the original number
116 - 507 = -391
-391 ÷ 507 = -0.7712031558185405
-0.7712031558185405 x 100 = -77.12%