95.4% is the change from 87 to 170
Calculation steps:
[( 170 - 87 ) ÷ 87] x 100 = 95.4%
Formula
Percentage change = [(170 - 87) / 87] x 100
Subtract the new number by the original number
170 - 87 = 83
83 ÷ 87 = 0.9540229885057471
0.9540229885057471 x 100 = 95.4%