49.05% is the change from 634 to 945
Calculation steps:
[( 945 - 634 ) ÷ 634] x 100 = 49.05%
Formula
Percentage change = [(945 - 634) / 634] x 100
Subtract the new number by the original number
945 - 634 = 311
311 ÷ 634 = 0.49053627760252366
0.49053627760252366 x 100 = 49.05%