-72.85% is the change from 814 to 221
Calculation steps:
[( 221 - 814 ) ÷ 814] x 100 = -72.85%
Formula
Percentage change = [(221 - 814) / 814] x 100
Subtract the new number by the original number
221 - 814 = -593
-593 ÷ 814 = -0.7285012285012284
-0.7285012285012284 x 100 = -72.85%