311.52% is the change from 243 to 1000
Calculation steps:
[( 1000 - 243 ) ÷ 243] x 100 = 311.52%
Formula
Percentage change = [(1000 - 243) / 243] x 100
Subtract the new number by the original number
1000 - 243 = 757
757 ÷ 243 = 3.1152263374485596
3.1152263374485596 x 100 = 311.52%