83.87% is the change from 93 to 171
Calculation steps:
[( 171 - 93 ) ÷ 93] x 100 = 83.87%
Formula
Percentage change = [(171 - 93) / 93] x 100
Subtract the new number by the original number
171 - 93 = 78
78 ÷ 93 = 0.8387096774193549
0.8387096774193549 x 100 = 83.87%