-77.51% is the change from 507 to 114
Calculation steps:
[( 114 - 507 ) ÷ 507] x 100 = -77.51%
Formula
Percentage change = [(114 - 507) / 507] x 100
Subtract the new number by the original number
114 - 507 = -393
-393 ÷ 507 = -0.7751479289940828
-0.7751479289940828 x 100 = -77.51%