79.21% is the change from 101 to 181
Calculation steps:
[( 181 - 101 ) ÷ 101] x 100 = 79.21%
Formula
Percentage change = [(181 - 101) / 101] x 100
Subtract the new number by the original number
181 - 101 = 80
80 ÷ 101 = 0.7920792079207921
0.7920792079207921 x 100 = 79.21%