-97.52% is the change from 282 to 7
Calculation steps:
[( 7 - 282 ) ÷ 282] x 100 = -97.52%
Formula
Percentage change = [(7 - 282) / 282] x 100
Subtract the new number by the original number
7 - 282 = -275
-275 ÷ 282 = -0.975177304964539
-0.975177304964539 x 100 = -97.52%