101.5% is the change from 266 to 536
Calculation steps:
[( 536 - 266 ) ÷ 266] x 100 = 101.5%
Formula
Percentage change = [(536 - 266) / 266] x 100
Subtract the new number by the original number
536 - 266 = 270
270 ÷ 266 = 1.0150375939849625
1.0150375939849625 x 100 = 101.5%