-43.97% is the change from 921 to 516
Calculation steps:
[( 516 - 921 ) ÷ 921] x 100 = -43.97%
Formula
Percentage change = [(516 - 921) / 921] x 100
Subtract the new number by the original number
516 - 921 = -405
-405 ÷ 921 = -0.43973941368078173
-0.43973941368078173 x 100 = -43.97%