214.8% is the change from 304 to 957
Calculation steps:
[( 957 - 304 ) ÷ 304] x 100 = 214.8%
Formula
Percentage change = [(957 - 304) / 304] x 100
Subtract the new number by the original number
957 - 304 = 653
653 ÷ 304 = 2.148026315789474
2.148026315789474 x 100 = 214.8%