50.85% is the change from 354 to 534
Calculation steps:
[( 534 - 354 ) ÷ 354] x 100 = 50.85%
Formula
Percentage change = [(534 - 354) / 354] x 100
Subtract the new number by the original number
534 - 354 = 180
180 ÷ 354 = 0.5084745762711864
0.5084745762711864 x 100 = 50.85%