168.75% is the change from 80 to 215
Calculation steps:
[( 215 - 80 ) ÷ 80] x 100 = 168.75%
Formula
Percentage change = [(215 - 80) / 80] x 100
Subtract the new number by the original number
215 - 80 = 135
135 ÷ 80 = 1.6875
1.6875 x 100 = 168.75%
Example