296.28% is the change from 215 to 852
Calculation steps:
[( 852 - 215 ) ÷ 215] x 100 = 296.28%
Formula
Percentage change = [(852 - 215) / 215] x 100
Subtract the new number by the original number
852 - 215 = 637
637 ÷ 215 = 2.9627906976744187
2.9627906976744187 x 100 = 296.28%