261.6% is the change from 237 to 857
Calculation steps:
[( 857 - 237 ) ÷ 237] x 100 = 261.6%
Formula
Percentage change = [(857 - 237) / 237] x 100
Subtract the new number by the original number
857 - 237 = 620
620 ÷ 237 = 2.6160337552742616
2.6160337552742616 x 100 = 261.6%