246.99% is the change from 83 to 288
Calculation steps:
[( 288 - 83 ) ÷ 83] x 100 = 246.99%
Formula
Percentage change = [(288 - 83) / 83] x 100
Subtract the new number by the original number
288 - 83 = 205
205 ÷ 83 = 2.4698795180722892
2.4698795180722892 x 100 = 246.99%