88.1% is the change from 84 to 158
Calculation steps:
[( 158 - 84 ) ÷ 84] x 100 = 88.1%
Formula
Percentage change = [(158 - 84) / 84] x 100
Subtract the new number by the original number
158 - 84 = 74
74 ÷ 84 = 0.8809523809523809
0.8809523809523809 x 100 = 88.1%