50% is the change from 356 to 534
Calculation steps:
[( 534 - 356 ) ÷ 356] x 100 = 50%
Formula
Percentage change = [(534 - 356) / 356] x 100
Subtract the new number by the original number
534 - 356 = 178
178 ÷ 356 = 0.5
0.5 x 100 = 50%
Example