-66.99% is the change from 824 to 272
Calculation steps:
[( 272 - 824 ) ÷ 824] x 100 = -66.99%
Formula
Percentage change = [(272 - 824) / 824] x 100
Subtract the new number by the original number
272 - 824 = -552
-552 ÷ 824 = -0.6699029126213593
-0.6699029126213593 x 100 = -66.99%