-69.76% is the change from 721 to 218
Calculation steps:
[( 218 - 721 ) ÷ 721] x 100 = -69.76%
Formula
Percentage change = [(218 - 721) / 721] x 100
Subtract the new number by the original number
218 - 721 = -503
-503 ÷ 721 = -0.6976421636615812
-0.6976421636615812 x 100 = -69.76%