-62.74% is the change from 824 to 307
Calculation steps:
[( 307 - 824 ) ÷ 824] x 100 = -62.74%
Formula
Percentage change = [(307 - 824) / 824] x 100
Subtract the new number by the original number
307 - 824 = -517
-517 ÷ 824 = -0.6274271844660194
-0.6274271844660194 x 100 = -62.74%