-60.97% is the change from 866 to 338
Calculation steps:
[( 338 - 866 ) ÷ 866] x 100 = -60.97%
Formula
Percentage change = [(338 - 866) / 866] x 100
Subtract the new number by the original number
338 - 866 = -528
-528 ÷ 866 = -0.6096997690531177
-0.6096997690531177 x 100 = -60.97%