-65.47% is the change from 866 to 299
Calculation steps:
[( 299 - 866 ) ÷ 866] x 100 = -65.47%
Formula
Percentage change = [(299 - 866) / 866] x 100
Subtract the new number by the original number
299 - 866 = -567
-567 ÷ 866 = -0.6547344110854504
-0.6547344110854504 x 100 = -65.47%