-1.21% is the change from 248 to 245
Calculation steps:
[( 245 - 248 ) ÷ 248] x 100 = -1.21%
Formula
Percentage change = [(245 - 248) / 248] x 100
Subtract the new number by the original number
245 - 248 = -3
-3 ÷ 248 = -0.012096774193548387
-0.012096774193548387 x 100 = -1.21%