84.62% is the change from 169 to 312
Calculation steps:
[( 312 - 169 ) ÷ 169] x 100 = 84.62%
Formula
Percentage change = [(312 - 169) / 169] x 100
Subtract the new number by the original number
312 - 169 = 143
143 ÷ 169 = 0.8461538461538461
0.8461538461538461 x 100 = 84.62%