261.45% is the change from 249 to 900
Calculation steps:
[( 900 - 249 ) ÷ 249] x 100 = 261.45%
Formula
Percentage change = [(900 - 249) / 249] x 100
Subtract the new number by the original number
900 - 249 = 651
651 ÷ 249 = 2.6144578313253013
2.6144578313253013 x 100 = 261.45%