97.25% is the change from 109 to 215
Calculation steps:
[( 215 - 109 ) ÷ 109] x 100 = 97.25%
Formula
Percentage change = [(215 - 109) / 109] x 100
Subtract the new number by the original number
215 - 109 = 106
106 ÷ 109 = 0.9724770642201835
0.9724770642201835 x 100 = 97.25%