-60.91% is the change from 921 to 360
Calculation steps:
[( 360 - 921 ) ÷ 921] x 100 = -60.91%
Formula
Percentage change = [(360 - 921) / 921] x 100
Subtract the new number by the original number
360 - 921 = -561
-561 ÷ 921 = -0.6091205211726385
-0.6091205211726385 x 100 = -60.91%