70.23% is the change from 215 to 366
Calculation steps:
[( 366 - 215 ) ÷ 215] x 100 = 70.23%
Formula
Percentage change = [(366 - 215) / 215] x 100
Subtract the new number by the original number
366 - 215 = 151
151 ÷ 215 = 0.7023255813953488
0.7023255813953488 x 100 = 70.23%