90.36% is the change from 83 to 158
Calculation steps:
[( 158 - 83 ) ÷ 83] x 100 = 90.36%
Formula
Percentage change = [(158 - 83) / 83] x 100
Subtract the new number by the original number
158 - 83 = 75
75 ÷ 83 = 0.9036144578313253
0.9036144578313253 x 100 = 90.36%