-72.1% is the change from 792 to 221
Calculation steps:
[( 221 - 792 ) ÷ 792] x 100 = -72.1%
Formula
Percentage change = [(221 - 792) / 792] x 100
Subtract the new number by the original number
221 - 792 = -571
-571 ÷ 792 = -0.7209595959595959
-0.7209595959595959 x 100 = -72.1%