153.97% is the change from 126 to 320
Calculation steps:
[( 320 - 126 ) ÷ 126] x 100 = 153.97%
Formula
Percentage change = [(320 - 126) / 126] x 100
Subtract the new number by the original number
320 - 126 = 194
194 ÷ 126 = 1.5396825396825398
1.5396825396825398 x 100 = 153.97%