121.43% is the change from 84 to 186
Calculation steps:
[( 186 - 84 ) ÷ 84] x 100 = 121.43%
Formula
Percentage change = [(186 - 84) / 84] x 100
Subtract the new number by the original number
186 - 84 = 102
102 ÷ 84 = 1.2142857142857142
1.2142857142857142 x 100 = 121.43%