-48.53% is the change from 509 to 262
Calculation steps:
[( 262 - 509 ) ÷ 509] x 100 = -48.53%
Formula
Percentage change = [(262 - 509) / 509] x 100
Subtract the new number by the original number
262 - 509 = -247
-247 ÷ 509 = -0.48526522593320237
-0.48526522593320237 x 100 = -48.53%