-92.8% is the change from 264 to 19
Calculation steps:
[( 19 - 264 ) ÷ 264] x 100 = -92.8%
Formula
Percentage change = [(19 - 264) / 264] x 100
Subtract the new number by the original number
19 - 264 = -245
-245 ÷ 264 = -0.928030303030303
-0.928030303030303 x 100 = -92.8%