97.04% is the change from 135 to 266
Calculation steps:
[( 266 - 135 ) ÷ 135] x 100 = 97.04%
Formula
Percentage change = [(266 - 135) / 135] x 100
Subtract the new number by the original number
266 - 135 = 131
131 ÷ 135 = 0.9703703703703703
0.9703703703703703 x 100 = 97.04%