-61.49% is the change from 509 to 196
Calculation steps:
[( 196 - 509 ) ÷ 509] x 100 = -61.49%
Formula
Percentage change = [(196 - 509) / 509] x 100
Subtract the new number by the original number
196 - 509 = -313
-313 ÷ 509 = -0.6149312377210217
-0.6149312377210217 x 100 = -61.49%