816.13% is the change from 31 to 284
Calculation steps:
[( 284 - 31 ) ÷ 31] x 100 = 816.13%
Formula
Percentage change = [(284 - 31) / 31] x 100
Subtract the new number by the original number
284 - 31 = 253
253 ÷ 31 = 8.161290322580646
8.161290322580646 x 100 = 816.13%