-32.87% is the change from 502 to 337
Calculation steps:
[( 337 - 502 ) ÷ 502] x 100 = -32.87%
Formula
Percentage change = [(337 - 502) / 502] x 100
Subtract the new number by the original number
337 - 502 = -165
-165 ÷ 502 = -0.3286852589641434
-0.3286852589641434 x 100 = -32.87%