78.75% is the change from 80 to 143
Calculation steps:
[( 143 - 80 ) ÷ 80] x 100 = 78.75%
Formula
Percentage change = [(143 - 80) / 80] x 100
Subtract the new number by the original number
143 - 80 = 63
63 ÷ 80 = 0.7875
0.7875 x 100 = 78.75%
Example