269.57% is the change from 23 to 85
Calculation steps:
[( 85 - 23 ) ÷ 23] x 100 = 269.57%
Formula
Percentage change = [(85 - 23) / 23] x 100
Subtract the new number by the original number
85 - 23 = 62
62 ÷ 23 = 2.6956521739130435
2.6956521739130435 x 100 = 269.57%