21.95% is the change from 82 to 100
Calculation steps:
[( 100 - 82 ) ÷ 82] x 100 = 21.95%
Formula
Percentage change = [(100 - 82) / 82] x 100
Subtract the new number by the original number
100 - 82 = 18
18 ÷ 82 = 0.21951219512195122
0.21951219512195122 x 100 = 21.95%