121.76% is the change from 170 to 377
Calculation steps:
[( 377 - 170 ) ÷ 170] x 100 = 121.76%
Formula
Percentage change = [(377 - 170) / 170] x 100
Subtract the new number by the original number
377 - 170 = 207
207 ÷ 170 = 1.2176470588235293
1.2176470588235293 x 100 = 121.76%