-46.22% is the change from 502 to 270
Calculation steps:
[( 270 - 502 ) ÷ 502] x 100 = -46.22%
Formula
Percentage change = [(270 - 502) / 502] x 100
Subtract the new number by the original number
270 - 502 = -232
-232 ÷ 502 = -0.46215139442231074
-0.46215139442231074 x 100 = -46.22%