-52.77% is the change from 921 to 435
Calculation steps:
[( 435 - 921 ) ÷ 921] x 100 = -52.77%
Formula
Percentage change = [(435 - 921) / 921] x 100
Subtract the new number by the original number
435 - 921 = -486
-486 ÷ 921 = -0.5276872964169381
-0.5276872964169381 x 100 = -52.77%