80% is the change from 120 to 216
Calculation steps:
[( 216 - 120 ) ÷ 120] x 100 = 80%
Formula
Percentage change = [(216 - 120) / 120] x 100
Subtract the new number by the original number
216 - 120 = 96
96 ÷ 120 = 0.8
0.8 x 100 = 80%
Example