5.88% is the change from 85 to 90
Calculation steps:
[( 90 - 85 ) ÷ 85] x 100 = 5.88%
Formula
Percentage change = [(90 - 85) / 85] x 100
Subtract the new number by the original number
90 - 85 = 5
5 ÷ 85 = 0.058823529411764705
0.058823529411764705 x 100 = 5.88%