47.54% is the change from 61 to 90
Calculation steps:
[( 90 - 61 ) ÷ 61] x 100 = 47.54%
Formula
Percentage change = [(90 - 61) / 61] x 100
Subtract the new number by the original number
90 - 61 = 29
29 ÷ 61 = 0.47540983606557374
0.47540983606557374 x 100 = 47.54%