85.67% is the change from 356 to 661
Calculation steps:
[( 661 - 356 ) ÷ 356] x 100 = 85.67%
Formula
Percentage change = [(661 - 356) / 356] x 100
Subtract the new number by the original number
661 - 356 = 305
305 ÷ 356 = 0.8567415730337079
0.8567415730337079 x 100 = 85.67%