252.5% is the change from 80 to 282
Calculation steps:
[( 282 - 80 ) ÷ 80] x 100 = 252.5%
Formula
Percentage change = [(282 - 80) / 80] x 100
Subtract the new number by the original number
282 - 80 = 202
202 ÷ 80 = 2.525
2.525 x 100 = 252.5%
Example