-92.98% is the change from 299 to 21
Calculation steps:
[( 21 - 299 ) ÷ 299] x 100 = -92.98%
Formula
Percentage change = [(21 - 299) / 299] x 100
Subtract the new number by the original number
21 - 299 = -278
-278 ÷ 299 = -0.9297658862876255
-0.9297658862876255 x 100 = -92.98%