292.73% is the change from 55 to 216
Calculation steps:
[( 216 - 55 ) ÷ 55] x 100 = 292.73%
Formula
Percentage change = [(216 - 55) / 55] x 100
Subtract the new number by the original number
216 - 55 = 161
161 ÷ 55 = 2.9272727272727272
2.9272727272727272 x 100 = 292.73%