-63.28% is the change from 836 to 307
Calculation steps:
[( 307 - 836 ) ÷ 836] x 100 = -63.28%
Formula
Percentage change = [(307 - 836) / 836] x 100
Subtract the new number by the original number
307 - 836 = -529
-529 ÷ 836 = -0.6327751196172249
-0.6327751196172249 x 100 = -63.28%