266.05% is the change from 215 to 787
Calculation steps:
[( 787 - 215 ) ÷ 215] x 100 = 266.05%
Formula
Percentage change = [(787 - 215) / 215] x 100
Subtract the new number by the original number
787 - 215 = 572
572 ÷ 215 = 2.66046511627907
2.66046511627907 x 100 = 266.05%