141.86% is the change from 215 to 520
Calculation steps:
[( 520 - 215 ) ÷ 215] x 100 = 141.86%
Formula
Percentage change = [(520 - 215) / 215] x 100
Subtract the new number by the original number
520 - 215 = 305
305 ÷ 215 = 1.4186046511627908
1.4186046511627908 x 100 = 141.86%