-55.48% is the change from 921 to 410
Calculation steps:
[( 410 - 921 ) ÷ 921] x 100 = -55.48%
Formula
Percentage change = [(410 - 921) / 921] x 100
Subtract the new number by the original number
410 - 921 = -511
-511 ÷ 921 = -0.5548317046688382
-0.5548317046688382 x 100 = -55.48%