211.57% is the change from 121 to 377
Calculation steps:
[( 377 - 121 ) ÷ 121] x 100 = 211.57%
Formula
Percentage change = [(377 - 121) / 121] x 100
Subtract the new number by the original number
377 - 121 = 256
256 ÷ 121 = 2.115702479338843
2.115702479338843 x 100 = 211.57%