-72.45% is the change from 824 to 227
Calculation steps:
[( 227 - 824 ) ÷ 824] x 100 = -72.45%
Formula
Percentage change = [(227 - 824) / 824] x 100
Subtract the new number by the original number
227 - 824 = -597
-597 ÷ 824 = -0.7245145631067961
-0.7245145631067961 x 100 = -72.45%