83.47% is the change from 121 to 222
Calculation steps:
[( 222 - 121 ) ÷ 121] x 100 = 83.47%
Formula
Percentage change = [(222 - 121) / 121] x 100
Subtract the new number by the original number
222 - 121 = 101
101 ÷ 121 = 0.8347107438016529
0.8347107438016529 x 100 = 83.47%